Sab saum toj 43 iOS 15 Hloov Kho Cov Teeb Meem & Txhim Kho

Part 1. iOS 15 Hloov Kho Teebmeem: Hloov Kho Tsis Tau

Feem ntau cov teeb meem iOS 15 muaj feem cuam tshuam nrog nws qhov hloov tshiab. Thaum cov pej xeem hloov tshiab yog sib xws nrog tag nrho cov ua iOS pab kiag li lawm, cov neeg siv tseem ntsib teeb meem nrog nws. Nov yog qee yam ntawm iOS 15 hloov tshiab ua tsis tau tejyam teeb meem thiab koj tuaj yeem kho lawv li cas.

1.1 iOS 15 Software Hloov tshiab ua tsis tiav

Muaj qee lub sijhawm thaum hloov kho lawv lub cuab yeej rau iOS 15, cov neeg siv tau txais cov software hloov tshiab ua tsis tiav, qhov yuam kev tshwm sim rub tawm iOS 15 sai ntawm lawv lub vijtsam. Los ntawm kev sib txuas hauv network tsis zoo mus rau qhov kev tsis sib haum xeeb hloov tshiab, tuaj yeem muaj ntau yam hauv qab nws. Needless hais, nws kab mob rau cov neeg siv iPhone, tshwj xeeb tshaj yog thaum lawv cov cuab yeej txuas ntxiv thov kom lawv hloov kho nws thiab tseem muab tib lub sijhawm.
iOS 15 problem - software update fails
Ceev Fixes:
Xyuas Cellular Data: Nco ntsoov tias koj muaj kev sib txuas hauv internet ruaj khov. Yog tias koj tsis siv Wi-nkaus network, mus rau koj lub cuab yeej teeb tsa thiab qhib qhov kev xaiv Cellular Data. Txheeb xyuas qhov kev pab them nqi ntawm tes kom paub tseeb tias koj muaj lub network txhim khu kev qha.
Toggle Wi-Fi: Hloov koj lub network Wi-Fi tawm ntawm Chaw Tswj Xyuas thiab tig nws rov qab dua. Tsis tas li ntawd, xyuas kom meej tias lub router ua haujlwm zoo kom tau txais kev sib txuas ceev ceev.
Pib dua iPhone: Rov pib dua koj lub xov tooj los ntawm kev nias lub zog khawm ntev. Xaub lub hwj chim xaiv thiab tos kom koj lub xov tooj muab tua. Tom qab ib pliag, tig nws dua thiab sim hloov kho nws.
Txheeb Xyuas Qhov System Status: Mus rau nplooj ntawv Apple System Status thiab xyuas kom meej tias cov software hloov tshiab muaj. Koj tuaj yeem tshawb xyuas cov xwm txheej ntawm lwm cov kev pabcuam los ntawm no.
Hloov kho iPhone siv iTunes: Hloov ntawm huab cua, koj tuaj yeem sim hloov kho koj lub cuab yeej siv iTunes. Tsuas yog txuas lub cuab yeej, mus rau nws nplooj ntawv Summary, thiab nyem rau ntawm "Xaiv hloov tshiab".

Ntxiv rau qhov ntawd, koj tuaj yeem nyeem cov ntawv nthuav dav no ntawm kev daws qhov " Software Update Failed " qhov teeb meem thaum hloov kho rau iOS 15.

1.2 Ncua tseg ntawm Kev Tshawb Fawb iOS 15 Hloov Kho

Txawm tias tom qab ua tiav rub tawm iOS 15 hloov tshiab, muaj feem yuav yog tias koj lub iPhone tuaj yeem yooj yim tau daig ntawm iOS 15 hloov tshiab kom paub meej. Qhov teeb meem no tuaj yeem tshwm sim los ntawm kev ua tsis ncaj lossis tsis tiav software rub tawm, teeb meem nrog koj Apple ID, lossis lwm yam teeb meem ntsig txog software. Kuj tseem muaj sij hawm qhov teeb meem tuaj yeem kho tau.
Kuv tsis tau hloov kho cov software ntawm kuv lub iPhone ntev heev, thiab tam sim no thaum kawg kuv sim ua li ntawd, nws tsuas yog daig ntawm kev txheeb xyuas qhov hloov tshiab. Koj ceeb toom kuv txhua hnub kom hloov tshiab thiab tam sim no koj tsis tuaj yeem txheeb xyuas nws. Los ntawm!
Cov lus teb los ntawm Twitter
TIPS:
Rov pib qhov hloov tshiab: Txoj hauv kev zoo tshaj los kho qhov teeb meem no yog los ntawm kev rov pib qhov hloov tshiab. Ua ntej, tua koj lub cuab yeej los ntawm nias lub hwj huam khawm. Tom qab ntawd, tig nws dua thiab mus rau nws Chaw> General> Software Hloov Kho kom rov pib dua cov txheej txheem hloov tshiab.
Pib dua Apple ID: Rov pib dua koj Apple ID txhawm rau txhim kho qhov kev txheeb xyuas qhov yuam kev cuam tshuam nrog koj tus lej nyiaj. Tsuas yog mus rau koj lub xov tooj teeb tsa thiab coj mus rhaub rau koj Apple ID. Sau npe tawm ntawm nws, tos ib pliag, thiab kos npe rov qab los daws qhov teeb meem.
Force restart iDevice: Yog hais tias koj tseem fim tib yam kev ua yuam kev, ces sim rau forcefully restart koj ntaus ntawv . Qhov no yuav rhuav tshem nws lub voj voog hluav taws xob tam sim no thiab tuaj yeem kho qhov kev lees paub yuam kev. Txhawm rau ua qhov no, nias lub Hwj chim + Tsev / Volume Down khawm ntawm koj lub cuab yeej tib lub sijhawm tsawg kawg 10 vib nas this.
Rov pib dua txhua qhov chaw: Yog tias muaj teeb meem nrog koj lub xov tooj qhov chaw, ces koj tuaj yeem xaiv rov pib dua lawv thiab. Txhawm rau ua qhov no, mus rau nws Chaw> Dav> Pib dua thiab coj mus rhaub rau "Pib dua Txhua Chaw". Paub meej tias koj xaiv los ntawm kev muab tus passcode ntawm koj lub cuab yeej. Koj lub xov tooj yuav rov pib dua nrog lub neej ntawd nqis. Tom qab ntawd, sim ua qhov hloov tshiab iOS 15 ib zaug ntxiv.

1.3 Tsis txaus Chaw rau iOS 15 Download

Qhov tsis muaj qhov chaw dawb ntawm koj lub cuab yeej iOS tuaj yeem nres qhov hloov tshiab nyob nruab nrab. Tom qab ntawd koj yuav tsum tshem tawm cov duab tsis tsim nyog, yeeb yaj kiab, suab paj nruag, thiab cov apps hauv qhov no. Ua ntej koj hloov kho koj lub cuab yeej rau iOS 15, nco ntsoov tias nws muaj tsawg kawg 5 GB qhov chaw dawb kom ua tiav iOS 15 hloov tshiab.
Ceev Fixes:
Tau qhov chaw los ntawm 3rd-tog apps: Thaum koj tau txais qhov tsis muaj qhov chaw tam sim ntawd ntawm koj lub cuab yeej, coj mus rhaub rau "Cia App Deletion". Qhov no yuav cia koj tshem tawm qhov tsis xav tau cia los ntawm cov neeg thib peb apps thiab yuav cia li ua kom ntau qhov chaw rau kev hloov kho kom tiav.
Tswj iPhone cia: Koj tuaj yeem tswj hwm qhov cia ntawm koj lub iPhone. Mus rau koj lub iPhone General Chaw> Cia> Tswj Cia. Ntawm no, koj tuaj yeem pom ntau qhov chaw siv los ntawm ntau yam apps thiab cov ntaub ntawv. Ntawm no, koj tuaj yeem tshem tawm cov ntsiab lus tsis xav tau thiab ua kom ntau qhov chaw ntawm koj lub iPhone. Tom qab ntawd, sim hloov koj lub cuab yeej rau iOS 15 dua.

Tsis tas li ntawd, koj tuaj yeem ua raws cov lus qhia ntse ntxiv kom tso chaw ntau ntxiv ntawm koj lub iPhone .

1.4 Ncua tseg rau ntawm Swb kom hloov kho qhov screen

Tau txais ib qho iPhone daig ntawm tus swb tom qab hloov tshiab yog tej zaum yog ib qho xwm txheej phem tshaj plaws rau txhua tus neeg siv iOS. Nws feem ntau tshwm sim vim yog software glitch lossis thaum lub iOS 15 hloov tshiab tau tampered.
Nkaum ntawm "swb mus hloov kho"... geez apple, koj yog crap li Microsoft puas tau.
FEEDBACK los ntawm TWITTER
Ceev Fixes:
Force restart iPhone: Yog hais tias koj muaj hmoo, ces koj yuav daws tau qhov teeb meem no los ntawm forcefully restarting koj iPhone. Cia nias lub Tsev + Fais fab lossis Volume Down + Fais fab yuam sij (nyob ntawm koj tus qauv ntaus ntawv) kom rov pib dua koj lub cuab yeej.
Kho hauv hom rov qab: Lwm txoj hauv kev los kho qhov teeb meem no yog los ntawm kev muab koj lub cuab yeej rau hauv hom rov qab. Ua ntej, koj yuav tsum paub qhov tseeb qhov tseem ceeb ua ke kom muab koj iPhone rau hauv hom rov qab . Noj iPhone 6 ua piv txwv, tso iTunes ntawm koj lub computer, thiab txuas koj iPhone rau nws thaum nias lub Tsev / Volume Down khawm. Tom qab ntawd, iTunes yuav cia li ntes qhov teeb meem nrog koj lub xov tooj thiab hais kom koj rov qab nws. Txawm li cas los xij, qhov no yuav tshem tawm cov ntaub ntawv uas twb muaj lawm ntawm koj lub cuab yeej.
Nco tseg:

Restoring iPhone nyob rau hauv hom rov qab yuav rho tawm cov ntaub ntawv uas twb muaj lawm ntawm koj ntaus ntawv. Yog li thov nco ntsoov tias koj twb tau thaub qab tag nrho cov ntaub ntawv ntawm koj lub iPhone ua ntej. Koj tuaj yeem siv iTunes / iCloud rau thaub qab iPhone cov ntaub ntawv lossis Dr.Fone - thaub qab & Restore rau thaub qab koj iPhone flexibly thiab xaiv.

1.5 iOS 15 Software Update Server Tsis tuaj yeem tiv tauj

Yog tias koj tab tom sim hloov kho koj lub xov tooj ntawm iTunes, ces koj yuav tau txais kev ceeb toom Lub iPhone software hloov tshiab server tsis tuaj yeem tiv tauj. Nws tseem hu ua yuam kev 1671 vim nws txoj cai. Nws tshwm sim thaum iTunes lossis koj lub khoos phis tawj muaj teeb meem kev sib txuas hauv network, lossis Apple servers tau dhau lawm. Nov yog qee txoj hauv kev los kho qhov teeb meem no iOS 15 installation.
iOS 15 problem - server not contacting
Ceev Fixes:
Rov pib dua PC system: Ib qho laj thawj tseem ceeb vim li cas iTunes tsis tuaj yeem sib txuas lus rau Apple's Server yog vim Windows's Firewall lossis lwm tus neeg tiv thaiv kab mob uas tuaj yeem thaiv qhov chaw nres nkoj. Yog li ntawd, koj yuav tsum lov tes taw anti-virus thiab tua lub qhov rais Firewall. Pib dua koj lub cev thiab sim nruab qhov hloov tshiab iOS 15 ib zaug ntxiv.
Hloov kho iTunes: Yog tias koj tab tom siv iTunes qub version, ces koj kuj yuav tau txais qhov no. Txhawm rau txhim kho qhov no, cia li tso iTunes, mus rau nws qhov chaw, thiab tshawb xyuas qhov hloov tshiab. Qhov no yuav cia koj hloov kho lub version ntawm iTunes koj siv. Sim hloov koj iPhone rau iOS 15 tom qab ntawd.
Sim OTA hloov tshiab: Qee zaum, cov neeg siv pom nws nyuaj rau hloov kho lawv cov iPhones rau iOS 15 siv iTunes, txawm tias lawv sim ntau npaum li cas. Raws li lwm txoj hauv kev, tsuas yog txuas koj lub iPhone mus rau Wi-nkaus network thiab mus rau nws qhov chaw pib OTA (dhau-hauv-huab cua) hloov tshiab iOS 15.

Txhawm rau kawm paub ntau ntxiv txog kev txhim kho iPhone / iPad Software Update Server Tsis tuaj yeem tiv tauj qhov teeb meem, koj tuaj yeem nyeem cov lus qhia ntxaws no .

1.6 iOS 15 Hloov tshiab Tsis tshwm sim hauv Chaw

Raws li xav tsis thoob li nws yuav suab, qee zaum iOS 15 hloov tshiab yuav tsis tshwm sim hauv koj lub iPhone lossis iPad nqis. Lossis koj tuaj yeem tau txais cov lus hais tias "Tsis Muaj Peev Xwm Txheeb Xyuas Hloov Kho" lossis "Ib qho yuam kev tshwm sim thaum kuaj xyuas software hloov tshiab". Hauv qee qhov, qhov teeb meem yog kho los ntawm kev tos ib pliag. Txawm li cas los xij, yog tias koj tseem tau txais qhov teeb meem hloov tshiab no iOS 15, tom qab ntawd xyuas cov kev kho sai hauv qab no.
Kev xaiv hloov tshiab iOS tsis tshwm sim thaum iOS 15 upgrade? Koj tuaj yeem sim cov lus qhia no ib txwm: https://bit.ly/2BCHiuj @drfone_toolkit
Ceev Fixes:
Xyuas compatibility: Ua ntej, koj yuav tsum xyuas seb koj ntaus ntawv puas tau tshaj iOS 15 los yog tsis. Piv txwv li, yog tias koj muaj iPhone 4s, ces koj yuav tsis tuaj yeem hloov kho nws mus rau iOS 15 thiab qhov kev xaiv yuav tsis tshwm sim hauv nws qhov chaw thiab. Qhov zoo tshaj plaws, iPhone 5s thiab cov qauv tshiab tuaj yeem hloov kho rau iOS 15. Tsis tas li ntawd, tos rau kev tshaj tawm pej xeem ntawm iOS 15 txhawm rau pom nws hauv koj lub iPhone nqis.
Rov pib ntaus ntawv: Qee zaum, txoj hauv kev yooj yim tshaj los kho qhov teeb meem no yog los ntawm kev rov pib koj lub iPhone. Thaum koj lub iPhone rov pib dua, nws yuav txuas mus rau Apple lub server dua thiab tuaj yeem tso saib qhov kev xaiv hloov tshiab software iOS 15.
Phau ntawv hloov tshiab: Yog tias tsis muaj dab tsi ntxiv yuav ua haujlwm, ces koj tuaj yeem txiav txim siab hloov kho koj iPhone rau iOS 15 manually. Ua ntej, rub tawm IPSW cov ntaub ntawv ntawm qhov ruaj khov iOS 15 version ntawm koj lub computer thiab txuas koj iPhone rau nws. Mus rau nws "Cov ntsiab lus" tab thiab tuav "Shift" (rau Windows) lossis "Kev Xaiv" (rau Mac) thaum nyem rau ntawm "Restore" khawm. Qhov no yuav thauj lub qhov rais browser los ntawm qhov chaw koj tuaj yeem thauj cov ntaub ntawv IPSW khaws cia thiab hloov kho koj lub xov tooj manually.

1.7 Ib qho yuam kev tshwm sim txhim kho iOS 15

Feem ntau, qhov yuam kev tsis xav txog tuaj yeem tshwm sim thaum txhim kho iOS hloov tshiab. Ua kom ncaj ncees, tsis muaj qhov laj thawj tseeb tom qab qhov no: hloov kho qhov tsis ua tiav, hloov kho kev kuaj xyuas yuam kev, lossis txawm tias iOS 15 teeb tsa yuam kev, thiab lwm yam. Dreadful? Tab sis koj yuav tsum sim ob peb txoj hauv kev los kho nws.
iOS 15 problem - error installing iOS 15
Ceev Fixes:
Tig lub network tawm thiab qhib: Txoj hauv kev yooj yim tshaj los daws qhov teeb meem no yog los ntawm kev rov ua dua. Thaum koj tau txais cov lus ceeb toom, coj mus rhaub rau ntawm "Retry" khawm thiab saib seb nws puas ua haujlwm. Tsis tas li ntawd, koj tuaj yeem tig qhov kev sib txuas network tawm thiab rov ua dua thiab sim rau nruab iOS 15 los ntawm kos.
Reset network settings: Feem ntau, qhov teeb meem tshwm sim vim muaj kev tsis sib haum xeeb hauv kev teeb tsa network. Yog li ntawd, peb pom zoo kom mus saib koj iPhone qhov chaw> General> Pib dua thiab pib dua Network Chaw los ntawm no.
Restore ntaus ntawv: Qhov chaw kawg los kho qhov teeb meem no yog los ntawm kev kho koj lub cuab yeej. Koj yuav tsum paub tias qhov no yuav tshem tawm tag nrho cov ntsiab lus khaws cia thiab txuag chaw ntawm koj lub iPhone lossis iPad. Txhawm rau kho koj lub cuab yeej, mus rau nws Chaw> Dav> Pib dua thiab coj mus rhaub rau "Lwv Txhua Cov Ntsiab Lus thiab Chaw". Paub meej tias koj qhov kev xaiv thiab cia koj lub xov tooj rov pib dua nrog qhov chaw pib. Tom qab ntawd, koj tuaj yeem sim hloov kho iPhone / iPad rau iOS 15 ib zaug ntxiv.
Siv lub cuab yeej thib 3 los kho: Yog tias koj xav kho qhov teeb meem no iOS 15 hloov tshiab yam tsis tau poob iPhone / iPad cov ntaub ntawv, ces koj tuaj yeem siv cov cuab yeej thib peb. Piv txwv li, Dr.Fone - System Kho (iOS) tuaj yeem kho tag nrho cov teeb meem loj hauv iOS no thiab qhov ntawd dhau los yam tsis muaj cov ntaub ntawv poob. Tsuas yog txuas koj lub xov tooj mus rau lub kaw lus, tso Dr.Fone - Qhov System Kho, thiab ua raws li cov lus qhia ntawm lub vijtsam yooj yim rau kev kho yooj yim.

1.8 iOS 15 rub tawm daig

Txij li thaum cov ntaub ntawv loj ntawm iOS 15 hloov tshiab yog loj, nws tuaj yeem daig thaum rub tawm thiab.
Koj tuaj yeem pom tias iOS 15 hloov tshiab kev nce qib raug tso tseg rau ntau tshaj ib teev tom qab koj kov "Download thiab nruab". Nws yog ib qho teeb meem uas tib neeg ntsib thaum rub tawm cov ntaub ntawv hloov tshiab iOS 15 lossis siv kev sib txuas hauv internet tsis muaj kev ntseeg siab. Txawm li cas los xij, yuav muaj teeb meem nrog koj lub iPhone thiab tom qab qhov teeb meem no.
Ceev Fixes:
Kev npaj txaus: Ua ntej ntawm tag nrho cov, nco ntsoov tias koj muaj kev sib txuas hauv internet ruaj khov. Tsis tas li ntawd, yuav tsum muaj qhov chaw dawb txaus ntawm koj lub cuab yeej. Yog tias tsis yog, ces koj yuav tau txais iOS 15 rub tawm & hloov tshiab nres ntau zaus.
Tos kom ruaj khov iOS 15 version: Nws tau raug pom tias cov neeg siv feem ntau ntsib qhov teeb meem no thaum rub tawm lub version ntawm iOS 15 hloov tshiab. Tsis txhob ua qhov yuam kev no thiab tos kom cov pej xeem ruaj khov ntawm iOS 15 tso tawm.
Rho tawm qub iOS profile: yuav muaj kev sib tsoo nrog cov uas twb muaj lawm iOS 15 profile ib yam. Ntawd yog yog tias koj sim rub tawm iOS 15 ua ntej thiab nws tsis ua tiav, tom qab ntawd nws tuaj yeem ua rau muaj kev sib tsoo tsis txaus ntseeg. Txhawm rau txhim kho qhov no, mus rau hauv koj lub xov tooj Chaw> General> Profile, xaiv qhov dhau los iOS 15 profile, thiab manually rho tawm nws.

Part 2. iOS 15 Teeb meem: Software teeb meem tom qab hloov tshiab

Tsis tsuas yog thaum hloov kho lawv cov khoom siv rau iOS 15, tab sis cov neeg siv kuj yuav ntsib teeb meem npaj txhij txog tom qab iOS 15 hloov tshiab tau dov tawm. Piv txwv li, tej zaum yuav muaj teeb meem nrog qee cov apps lossis lub cev ua haujlwm ntawm iPhone. Peb tau paub qhov txawv ntawm cov teeb meem tom qab hloov tshiab hauv ntau pawg rau koj qhov yooj yim.

2.1 iOS 15 Ua kom tsis tau

Tsis ntev los no, ntau tus neeg tau yws yws txog qhov teeb meem ntawm iPhone lossis iPad Ua Haujlwm Tsis Ua Haujlwm tom qab hloov kho rau iOS 15. Cov lus yuam kev uas tshwm sim tuaj yeem yog "Tsis Ua Haujlwm iPhone", "Kev Ua Haujlwm yuam kev", lossis "peb tsis tuaj yeem txuas ntxiv nrog. koj ua kom lub sijhawm no." Feem ntau, nws tshwm sim thaum koj lub cuab yeej tsis tuaj yeem tiv tauj Apple Server. Tej zaum yuav muaj qhov teeb meem ntsig txog software uas yuav cuam tshuam rau kev ua kom koj lub cuab yeej iOS 15.
Ceev Fixes:
Zam lub sijhawm tsis khoom ntawm Apple server: Tsuas tos ob peb feeb. Yog tias Apple cov servers tsis khoom, ces koj tuaj yeem tos thiab rov qhib koj lub xov tooj. Yog tias koj muaj hmoo, koj yuav tsis tau txais qhov yuam kev no tom qab ib ntus.
Restart iPhone: Restarting koj lub xov tooj yog lwm txoj kev uas yuav ua hauj lwm. Qhov no yuav ua rau koj lub xov tooj hu rau Apple cov servers dua thiab tuaj yeem daws qhov ua kom yuam kev.
Reboot Wi-Fi network: Yog tias muaj teeb meem ntsig txog lub network, ces koj yuav tsum rov pib dua Wi-Fi network. Nco ntsoov tias koj lub SIM raug tso kom zoo thiab. Coj tus SIM ejector tus pin thiab tshem tawm SIM tais. Ntxuav nws thiab ntxig nws rov qab dua. Thaum kawg, koj tuaj yeem tshawb xyuas seb nws puas ua haujlwm lossis tsis ua haujlwm.

Sib nrug los ntawm qhov ntawd, koj tuaj yeem ua qhov kev qhia tob tob no: Phau Ntawv Qhia rau kev kho lub iPhone / iPad Kev Ua Haujlwm Ua Haujlwm Tsis Ua Haujlwm .

2.2 iOS 15 Reboot Loop Teeb meem

Koj lub iPhone nyuam qhuav ua tiav qhov hloov tshiab iOS 15, tab sis es tsis txhob pib ua qhov qub, nws tseem rov pib dua. Zoo, nws txhais tau hais tias koj ntaus ntawv tau daig nyob rau hauv lub reboot voj. Ib qho software glitch, ib qho iOS 15 hloov tshiab ploj mus lawm, malfunctioning roj teeb, thiab lwm yam yuav yog ib co ntawm nws cov laj thawj tseem ceeb. Koj yuav tsum tau siv qee qhov kev ntsuas kom sai li sai tau los kho nws vim tias nws tuaj yeem ua mob rau koj lub cuab yeej.
Kuv iPhone 7 Plus yog daig nyob rau hauv ib tug tsis-kawg reboot voj. Sim kho nws zoo li 50 zaug. Tsis muaj hmoo. Thiab tsis muaj cov kws txawj ntse hauv Thaib teb los kho nws.
FEEDBACK los ntawm TWITTER
Ceev Fixes:
Force rov pib dua ntaus ntawv: Ib txoj hauv kev zoo tshaj plaws los kho lub iPhone daig hauv lub voj reboot yog los ntawm kev quab yuam rov pib koj lub iPhone. Tsuas yog ntev-nias lub Hwj chim + Lub Tsev khawm rau iPhone 6 thiab cov laus dua lossis Lub Hwj Chim + Volume Down rau iPhone 7 thiab cov tshiab dua. Qhov no yuav yuam kom rov pib dua koj lub cuab yeej thiab tuaj yeem kho qhov teeb meem.
Downgrade iDevice: Yog hais tias muaj ib yam dab tsi tsis ncaj ncees lawm nrog lub iOS no 15 hloov tshiab, ces koj yuav tau sim downgrade koj lub xov tooj mus rau ib tug yav dhau los version ruaj khov. Tsis tas li ntawd, koj tuaj yeem txuas nws mus rau iTunes thiab xyuas seb qhov ruaj khov iOS version puas muaj (yog tias koj tau hloov kho koj lub xov tooj mus rau qhov tsis ruaj khov).
Muab iPhone rau hauv hom rov qab: Yog tias tsis muaj dab tsi ntxiv yuav zoo li ua haujlwm, ces koj tuaj yeem tso koj lub cuab yeej hauv hom rov qab. Thaum nias lub Home khawm, txuas nws mus rau lub kaw lus, thiab tso iTunes. Nws yuav cia li tso koj iPhone rau hauv hom rov qab thiab yuav hais kom koj rov qab los.

Tsis tas li ntawd, koj tuaj yeem nyeem cov lus qhia ntxaws ntxaws: Yuav ua li cas kho iPhone daig hauv reboot voj .

2.3 Ntau yam yuam kev iTunes rau iOS 15

Tom qab txuas koj lub iOS no 15 kho tshiab ntaus ntawv rau iTunes, muaj feem yog tias koj yuav tau txais ib co tsis xav iTunes yuam kev thiab. Qee qhov yuam kev yog iTunes yuam kev 21, 3004, 13, thiab lwm yam. Raws li kev ua yuam kev iTunes, yuav muaj ntau txoj hauv kev los kho lawv.
iOS 15 - itunes errors
Ceev Fixes:
Nkag siab iTunes yuam kev: Ua ntej tshaj plaws, koj yuav tsum txheeb xyuas hom kev ua yuam kev iTunes koj tau txais nrog koj li iOS 15. Tsuas nco ntsoov cov cai ntawm iTunes yuam kev txhawm rau tshawb nrhiav ntxiv. Kua tau tuaj nrog cov npe ntawm iTunes yuam kev uas koj kuj pom. Ua li no, koj tuaj yeem qhia koj tus kheej txog nws cov laj thawj thiab cov kev daws teeb meem yav tom ntej.
Xyuas kom iTunes yog hloov tshiab: Yog hais tias koj tab tom sim txuas iOS no 15 ntaus ntawv nrog ib tug outdated version ntawm iTunes, ces koj yuav ntsib teeb meem npaj txhij txog. Ua ntej koj txuas koj lub cuab yeej rau koj lub computer, nco ntsoov tias iTunes yog hloov tshiab. Koj tuaj yeem mus rau nws cov ntawv qhia zaub mov thiab tshawb xyuas qhov hloov tshiab. Feem ntau ntawm lub sijhawm, iTunes cia li nco ntsoov cov neeg siv hloov kho nws ib yam.
Disable anti-virus thiab firewall: Ntau lub sij hawm, tus thib peb-tog anti-virus tuaj yeem cuam tshuam nrog kev ua haujlwm ntawm iTunes thiab thaiv cov chaw nres nkoj cuam tshuam. Tsuas yog lov tes taw anti-virus thiab firewall, pib dua lub kaw lus thiab xyuas seb koj puas tseem tau txais iTunes yuam kev lossis tsis.
Xyuas cov xob laim: Nco ntsoov tias xob laim cable uas koj siv los txuas rau iOS 15 iPhone rau lub kaw lus yog txhim khu kev qha thiab ua haujlwm. Koj tuaj yeem sim lwm yam cable lossis siv lub qhov (socket) sib txawv. Tsis tas li ntawd, ntxuav lub qhov (socket) ntawm koj iPhone ib yam nkaus, thiab sim txuas nws dua.
Tshem tawm cov khoom siv sab nraud: Yog tias koj lub computer txuas nrog ntau yam khoom siv sab nraud, ces yuav muaj kev sib tsoo hauv cov lus txib. Tshem tag nrho lwm cov khoom siv thiab txuas koj lub iPhone ib zaug kom pom tias koj tseem tau txais qhov yuam kev iTunes.

2.4 iOS 15 Ntaus yuav tsis qhib

Txoj cai tom qab ua tiav qhov hloov tshiab iOS 15, lub iPhone yuav tsis qhib txhua. Nyob rau hauv cov ntaub ntawv no, koj iPhone yuav cia li qhia tsuas yog lub spinning log, khov ntawm ib tug dub screen nrog lub kua logo, los yog tsuas yog tig dub-screened mus tas li. Raws li kev ntxhov siab li nws yuav suab, qhov teeb meem iOS 15 no muaj ntau dua li koj tuaj yeem xav. Tej zaum yuav muaj teeb meem nrog nws cov software lossis txawm tias nws lub roj teeb.
iOS 15 problems - iphone cannot turn on
Ceev Fixes:
Xyuas kho vajtse puas: Ua ntej, koj yuav tsum tau tshuaj xyuas koj lub iOS no 15 ntaus ntawv rau tej kho vajtse puas. Tshawb xyuas lub xob laim uas koj siv, lub qhov (socket) them, thiab yog tias muaj kev puas tsuaj nrog lub cuab yeej lossis tsis.
Charge ntaus ntawv: Thaum lub sij hawm lub iOS no 15 txheej txheem hloov tshiab, tus ntaus ntawv yuav tsum tau ntau nqi. Yog li ntawd, koj lub iPhone yuav raug kaw vim muaj roj teeb tsawg. Them nws ib pliag thiab sim pib koj lub cuab yeej ib zaug ntxiv.
quab yuam rov pib koj lub cuab yeej: Lwm txoj hauv kev los kho qhov teeb meem no yog los ntawm kev quab yuam rov pib koj lub cuab yeej. Tej zaum koj twb paub qhov tseem ceeb ua ke rau iPhone 6s thiab cov laus tiam (Lub Tsev + Hwj chim) nrog rau iPhone 7/7s (Power + Volume Down). Yog tias koj muaj iPhone X, thawj zaug nias lub pob Volume Up. Tom qab ntawd, nias lub pob Volume Down ceev. Thaum koj tso nws, tuav thiab nias lub hwj huam khawm.

2.5 iOS 15 Tsis tuaj yeem hu lossis txais hu

Muaj ob peb tus neeg tsis tuaj yeem hu xov tooj tom qab iOS 15 hloov tshiab. Lawv tsuas pom tias "hu tau xaus" lossis "hu tsis tau" qhia thaum pib hu xov tooj, lossis tsis tuaj yeem tau txais kev hu los ntawm lwm tus. Tom qab ntawd koj yuav tsum ceeb toom yog tias ntsib tib yam. Thaum qhov teeb meem tuaj yeem txuas rau koj lub network, muaj feem yuav muaj qhov teeb meem cuam tshuam nrog software nrog nws thiab. Nov yog qee txoj hauv kev yooj yim los kho nws.
iOS 15 problems - iphone call failure
Ceev Fixes:
Xyuas kom tseeb tias cov kev pab cuam network tsim nyog: Txhawm rau pib nrog, xyuas seb koj lub cuab yeej iOS 15 puas nyob hauv kev pab cuam network zoo lossis tsis. Txheeb xyuas cov teeb liab nyob rau sab saum toj sab laug ntawm lub vijtsam. Yog tias koj nyob hauv qab daus lossis tawm hauv hav zoov, ces tej zaum koj yuav tsis tau txais kev pab them nqi network txaus ntawm koj lub iPhone/iPad. Needless hais, yog tsis muaj lub network teeb liab, koj ua tsis tau los yog txais hu.
Tig rau thiab tawm lub dav hlau hom: Ib txoj hauv kev yooj yim tshaj plaws los kho qhov no yog los ntawm toggling rau thiab tawm ntawm lub dav hlau hom ntawm koj iOS 15. Koj tuaj yeem ua qhov no los ntawm kev mus xyuas Chaw Tswj ntawm koj lub xov tooj lossis nws qhov chaw. Qhib lub dav hlau hom, tos ib pliag, thiab tua nws dua. Feem ntau, qhov ua kom yuam kev yuav cia koj rov qab tau lub network ntawm koj lub xov tooj.
Rov ntxig SIM: Yog tias koj xav tias muaj teeb meem nrog koj SIM, ces koj tuaj yeem rov ntxig nws rau hauv koj lub iOS 15 hloov tshiab iPhone ib yam nkaus. Ua li no, koj yuav tsum tau txais kev pab ntawm SIM ejector cuab tam.
Tshawb xyuas cov khoom thauj hloov tshiab: Thaum cov khoom thauj hloov tshiab feem ntau raug thawb cia, qee zaum peb yuav tsum ua nws ntawm peb tus kheej. Mus rau koj lub xov tooj General Settings> Hais txog> Carrier. Coj mus rhaub rau nws thiab xyuas seb qhov hloov tshiab iOS 15 tshiab puas muaj. Thaum koj tau rub tawm qhov hloov tshiab iOS 15, rov pib koj lub xov tooj, thiab xyuas seb qhov teeb meem puas daws tau lossis tsis tau.
Pib dua kev teeb tsa network: Thaum kawg, koj tuaj yeem rov pib dua lub network teeb tsa ntawm iOS 15. Ua li no, mus rau nws Chaw> Dav> Pib dua thiab coj mus rhaub rau "Pib Network Chaw". Tom qab ntawd, koj lub xov tooj yuav rov pib dua nrog lub neej ntawd network teeb tsa.

Yog xav paub ntxiv, xa mus rau cov lus qhia dav dav no txhawm rau txhim kho iPhone hu cov teeb meem tom qab hloov tshiab iOS 15.

2.6 Hom Rov Qab, Kua Logo, Teeb meem iPhone Bricking ntawm iOS 15

Tau txais ib lub iPhone daig ntawm Apple lub logo, muaj lub tshuab tsis teb, lossis raug daig ntawm hom rov qab yog qee qhov xwm txheej tsis xav tau rau txhua tus neeg siv iOS 15. Tu siab, tom qab lub iOS no 15 hloov tshiab, muaj feem yog tias koj lub xov tooj tuaj yeem tau bricked. Nws feem ntau tshwm sim thaum hloov tshiab mus tsis ncaj ncees lawm thiab tampers nrog kev ua haujlwm ntawm lub cuab yeej.
iOS 15 problem - iphone bricking
Ceev Fixes:
Force restart your iPhone: Ua ntej ntawm tag nrho cov, sim yuam kom restart koj iPhone los ntawm kev siv cov kev sib txuas tseem ceeb. Yog tias koj muaj hmoo, ces nws yuav kho koj lub iOS 15 tshiab thiab yuav rov pib dua hauv hom qub.
Restore ntaus ntawv: Yog hais tias koj twb coj ib tug thaub qab ntawm koj cov ntaub ntawv ua ntej muab kho dua koj iPhone rau iOS no 15, ces koj yuav restore lub ntaus ntawv thiab. Txhawm rau ua qhov no, tsuas yog txuas rau koj lub computer thiab tso iTunes. Mus rau nws "Cov ntsiab lus" tab thiab nyem rau ntawm "Restore iPhone" khawm. Ua raws li cov lus qhia on-screen kom rov pib dua koj iPhone.
Txhim kho hauv hom rov qab: Koj tuaj yeem tso koj lub iPhone rau hauv hom rov qab, txuas rau iTunes, thiab rov qab kho lub iOS 15 tag nrho thiab.
Kho hauv DFU hom: Yog tias ua tau, ces sim muab koj lub iPhone tso rau hauv DFU (Device Firmware Update) hom. Qhov tseem ceeb ua ke yog txawv rau ntau yam khoom siv. Thaum koj paub yuav ua li cas muab koj iPhone rau hauv DFU hom, koj tuaj yeem txuas rau iTunes. Nws yuav pom tias koj lub xov tooj nyob rau hauv DFU hom thiab yuav rov qab nws tag nrho. Thaum nws yuav tshem tawm ntawm nws cov ntaub ntawv thiab txuag chaw, nws yuav unbrick koj iOS no ntaus ntawv.
Kho nrog ib tug iOS 15 kho cuab tam: Yog hais tias koj tsis xav kom poob koj cov ntaub ntawv nyob rau hauv thiaj li yuav txhim kho ib tug bricked iPhone, ces koj yuav siv tau ib tug txhim khu kev qha peb-tog kev daws teeb meem zoo li Dr.Fone - System Repair (iOS) thiab.

2.7 iOS no 15 Slowing Down/Laggy/Freezing

Thaum iOS 15 yuav tsum ua kom koj lub xov tooj sai dua, muaj feem yuav yog tias nws tuaj yeem thim rov qab. Qee cov neeg siv tau tshaj tawm tias lawv cov iOS 15 li khov rau ob peb feeb, ua haujlwm dua tom qab ib ntus, tab sis tom qab ntawd rov ua tsis tau. Yuav muaj ntau yam laj thawj rau qhov teeb meem no. Yog tias koj lub iPhone lossis iPad poob lossis khov tom qab iOS 15 hloov tshiab, peb pom zoo kom kho qee yam hauv qab no.
iOS 15 iphone freezing
Ceev Fixes:
Tshem tawm cov ntaub ntawv tsis xav tau: Yog tias iOS 15 tab tom ua haujlwm ntawm qhov chaw cia qis, ces nws yuav ua rau qeeb qeeb. Yog li ntawd, koj tuaj yeem tshem tawm ib qho app uas tsis siv lawm. Tsis tas li, koj tuaj yeem tshem tawm cov duab, yeeb yaj kiab, thiab lwm yam ntaub ntawv los ntawm koj lub cuab yeej uas koj tsis xav tau ntxiv lawm.
Kaw apps: Lwm qhov laj thawj rau kev lag luam iOS 15 tuaj yeem yog kev ua haujlwm ntawm ntau lub apps. Rau cov khoom siv uas tsis yog iPhone X / XS (Max) / XR, koj tuaj yeem mus xyuas App Switcher los ntawm ob npaug nias lub khawm Tsev. Tom qab ntawd, koj tuaj yeem rub tawm cov apps uas koj xav kaw. Yog tias koj muaj iPhone X / XS (Max) / XR, tom qab ntawd mus rau lub vijtsam hauv tsev, los so thiab tos. Tam sim no, rub lub app koj xav kaw.
Kaw Background App Refresh: Qee cov apps kuj raug tso cai kom rov kho dua tshiab hauv keeb kwm yav dhau. Txhawm rau txuag cov txheej txheem ntawm iOS 15, koj yuav tsum tig qhov kev xaiv no tawm. Tsuas yog mus rau koj lub cuab yeej teeb tsa thiab hloov tawm Background App Refresh feature.
Disable cov kev pab cuam: Dhau li ntawm qhov ntawd, koj tuaj yeem kaw lwm cov kev pabcuam ntawm koj lub iOS 15 ntaus ntawv xws li qhov chaw, Bluetooth, AirDrop, Wi-Fi, thiab lwm yam.
Rov pib dua ntaus ntawv: Tsis tas li ntawd, rov pib dua koj lub iOS thiab xyuas seb nws hloov nws cov kev ua haujlwm ceev lossis tsis.

2.8 iOS 15 Screen Cov Ntaub Ntawv Tsis Ua Haujlwm

Nrog kev tso tawm ntawm iOS 11, Apple suav nrog cov yam ntxwv ntawm kev tshuaj ntsuam kaw, uas tau txais txiaj ntsig zoo los ntawm nws cov neeg siv. Cov yam ntxwv kuj tau suav nrog hauv iOS 15, tab sis qee cov neeg siv tsis tuaj yeem ua kom tau zoo tshaj plaws. Lawv raug kev txom nyem ntau heev thaum lub iOS 15 lub vijtsam kaw yuav tsis ua haujlwm tag nrho, cov yeeb yaj kiab kaw tsis tuaj yeem khaws cia lossis tsis muaj suab, lossis cov ntaub ntawv kaw tau puas. Nov yog qee qhov kev ua kom yuam kev los kho qhov screen kaw tsis ua haujlwm qhov teeb meem.
iOS 15 update error - screen recording failed
Ceev Fixes:
Tig rau Screen Recording dua: Nco ntsoov tias koj tau tig rau lub vijtsam kaw feature ntawm iOS 15. Koj tuaj yeem pom nws hauv koj lub iPhone Control Center. Yog tias koj xav tau, koj tuaj yeem mus rau Chaw Tswj Chaw Chaw thiab ntxiv nws qhov shortcut rau ntawd thiab. Thaum lub vijtsam kaw tau pib, koj yuav raug ceeb toom.
Qhib lub microphone: Qee lub sij hawm, qhov screen kaw tsuas yog suav nrog qhov pom tsis muaj suab. Qhov no tshwm sim thaum tus neeg siv lub microphone raug kaw. Thaum cov ntaubntawv povthawj siv qhov chaw, tsuas yog coj mus rhaub rau lub microphone icon thiab xyuas kom meej tias nws tsis tau teem rau hom "mute".
Pib dua ntaus ntawv nqis: Yuav muaj teeb meem nrog koj iOS 15 chaw ib yam nkaus uas tuaj yeem ua rau qhov teeb meem no. Txhawm rau txhim kho qhov no, mus rau nws Cov Chaw> General> Pib dua, thiab Pib dua Txhua Chaw ntawm koj lub iPhone lossis iPad.
Siv 3rd-tog screen recorder: Yog tias koj tseem tsis tuaj yeem kho qhov teeb meem no iOS 15, ces koj tuaj yeem txiav txim siab siv lub koob yees duab thib peb thiab. Muaj ntau ntau txoj kev xaiv rau iPhone screen recorders uas koj siv tau.

2.9 iOS 15 Ntaus Tsis Tau Rov Qab

Ntau lub sijhawm, cov neeg siv xav rov kho lawv cov khoom siv iOS los kho ntau yam teeb meem ntsig txog iOS 15 hloov tshiab. Txawm li cas los xij, yog tias muaj teeb meem tshwm sim nrog koj lub iPhone, ces koj yuav tsis tuaj yeem rov qab tau nws. Raws li cov tsos mob, cov lus zoo li "iPhone tsis tuaj yeem rov qab tau", "Lub cuab yeej nrhiav tsis tau", lossis "Ib qho yuam kev tsis paub" tshwm sim. Cov xov xwm zoo yog tias muaj qee qhov kev daws teeb meem uas tuaj yeem pab koj kho qhov teeb meem no iOS 15.
iOS 15 error - idevice cannot restore
Ceev Fixes:
Siv iTunes: Yog tias koj tsis tuaj yeem rov qab kho iOS 15 li ib txwm, tom qab ntawd muab kev pab ntawm iTunes. Uas yog, txuas koj lub xov tooj mus rau lub kaw lus, tso iTunes, thiab mus rau nws cov ntsiab lus tab. Ntawm no, koj yuav tau txais ib qho kev xaiv rau Restore koj iPhone lossis iTunes.
Hloov kho iTunes: Yog tias koj tseem tau txais qhov yuam kev thaum rov kho iOS 15 ntawm iTunes, tom qab ntawd koj yuav tsum xav txog kev hloov kho tshiab ntawm iTunes koj siv.
Restore hauv hom rov qab: Lwm txoj hauv kev los kho iOS 15 yog los ntawm kev muab koj iPhone rau hauv hom rov qab. Tua tawm iTunes ntawm lub kaw lus thiab txuas koj lub xov tooj rau nws thaum nias lub Tsev lossis Volume Down khawm. Yog hais tias nws yog iPhone X / XS (Max) / XR, ces koj yuav tsum xub nias lub Volume Up khawm thiab ces Volume Down khawm. Thaum kawg, nias lub khawm sab kom txog thaum koj pom lub cim iTunes ntawm qhov screen.
Boot ntaus ntawv nyob rau hauv DFU hom: Yog hais tias tsis muaj dab tsi ntxiv yuav zoo li ua hauj lwm, ces xav txog muab koj lub xov tooj nyob rau hauv lub DFU hom. Muaj ntau qhov sib txawv tseem ceeb ua ke rau qhov no, uas feem ntau yuav nyob ntawm seb hom khoom koj muaj. Thaum nws yuav rho tawm cov ntaub ntawv uas twb muaj lawm ntawm iOS 15 ntaus ntawv, cov txiaj ntsig feem ntau yog qhov zoo. Xwb, sim khau raj iOS 15 hauv DFU hom yam tsis tau poob cov ntaub ntawv .

2.10 Cov ntaub ntawv Poob tom qab iOS 15 Hloov tshiab

Yuav muaj ntau yam laj thawj rau poob koj cov ntaub ntawv tom qab iOS 15 hloov tshiab. Feem ntau, thaum qhov kev hloov tshiab raug tso tseg, cov neeg siv tau ntsib cov ntaub ntawv tsis tau xav txog.
Muaj feem yuav yog tias koj cov ntaub ntawv tseem yuav nyob ntawd ntawm koj lub cuab yeej iOS, tab sis koj tsis tuaj yeem nkag mus rau nws. Koj muaj peev xwm ib txwm rov qab ib tug yav dhau los thaub qab rau koj iPhone los yog siv ib tug mob siab rau cov ntaub ntawv rov qab lub cuab tam thiab.
data lost after iOS 15 update
Ceev Fixes:
Rov pib koj lub cuab yeej: Yog tias cov ntaub ntawv nkag tsis tau, ces koj tuaj yeem kho nws los ntawm kev rov pib dua lub xov tooj. Txawm li cas los xij, koj yuav tsum tsis txhob ua ntau zaus vim nws tuaj yeem ua rau iOS 15 cov ntaub ntawv rov qab nyuaj dua. Tsuas yog rov pib dua koj lub cuab yeej ib zaug thiab saib seb cov ntsiab lus deleted zoo li cas lossis tsis.
Restore iTunes thaub qab : Nws yog ib txwm pom zoo kom coj ib tug thaub qab ntawm peb cov ntaub ntawv ua ntej muab kho dua rau iOS no 15. Yog hais tias koj twb coj ib tug thaub qab ntawm koj ntaus ntawv ntawm iTunes, ces siv iTunes los kho nws. Tsuas yog tso iTunes ntawm koj lub cev thiab txuas koj lub xov tooj rau nws. Mus rau nws cov ntsiab lus tab thiab nyem rau ntawm "Restore Backup". Ntawm no, koj tuaj yeem xaiv cov ntaub ntawv thaub qab koj xav rov qab los ntawm koj lub cuab yeej iOS.
Restore iCloud thaub qab : Dhau li ntawm kev noj cov thaub qab ntawm lub computer hauv zos, qee cov neeg siv kuj backup lawv lub xov tooj ntawm iCloud ib yam nkaus. Txhawm rau rov qab cov ntaub ntawv los ntawm iCloud thaub qab, koj yuav tsum teeb tsa iOS 15 ua ntej. Ua lub Hoobkas teeb tsa kom koj thiaj li tau txais qhov kev xaiv no. Tam sim no, xaiv "Restore los ntawm iCloud thaub qab" thiab nkag mus rau koj tus account iCloud. Xaiv qhov cuam tshuam iCloud thaub qab thiab tos ib pliag raws li koj lub xov tooj yuav thauj khoom.
Siv cov cuab yeej rov qab: Nyob rau hauv rooj plaub koj tsis tau coj cov thaub qab ntawm koj lub cuab yeej ua ntej, ces koj yuav tsum tau siv cov cuab yeej rov qab. Tawm ntawm tag nrho cov ntaub ntawv rov qab software, peb xav kom Dr.Fone - Cov ntaub ntawv rov qab (iPhone Data Recovery) . Ua ib tug thawj cov ntaub ntawv rov qab cov cuab yeej rau iOS no pab kiag li lawm, nws yuav cia koj retrieve lub ploj thiab deleted cov ntsiab lus ntawm koj lub xov tooj yam tsis muaj teeb meem.

Part 3. iOS 15 Teeb meem: App teeb meem tom qab hloov tshiab

Dhau li ntawm kev ua haujlwm tag nrho ntawm koj lub cuab yeej iOS tom qab iOS 15 hloov tshiab, yuav muaj teeb meem nrog qee yam ntawm nws cov yam ntxwv zoo li. Ib qho app lossis ib qho tseem ceeb ntawm koj lub cuab yeej yuav zoo li ua haujlwm tsis zoo ntawm xiav. Nov yog qee qhov teeb meem iOS 15 app thiab koj tuaj yeem daws lawv li cas.

3.1 iOS 15 Safari Breaking Down

Safari yog ib txwm browser ntawm iOS pab kiag li lawm thiab pab peb nkag tau rau hauv internet. Txawm li cas los xij, tom qab hloov kho iOS 15, koj yuav ntsib qee qhov teeb meem nrog nws, xws li Safari tsoo, thiab nplooj ntawv web khov, thauj khoom tsis ua haujlwm, lossis tsis teb. Ua tsaug, muaj qee qhov kev kho yooj yim rau qhov teeb meem iOS 15 no.
Nrhiav tsis tau vim li cas Safari thiaj poob vim Safari pheej poob. Nyob rau hauv ib tug vortex ntawm me ntsis inconvenience. Yuav tau hla nws.
Cov lus teb los ntawm Twitter
Ceev Fixes:
Tua Safari Cov Lus Qhia: Ib qho laj thawj tseem ceeb rau Safari app poob yog qhov tshwj xeeb ntawm "Safari Cov Lus Qhia", uas qhia tus neeg siv txog xov xwm, huab cua, thiab lwm yam. Koj tuaj yeem mus rau Chaw> Safari ntawm iOS 15 thiab tua "Safari Cov Lus Qhia" feature. Tom qab ntawd, sim rub lub app dua ntawm koj iOS 15.
Cov ntaub ntawv keeb kwm ntshiab: Yog tias muaj ntau cov ntaub ntawv cache thiab lub vev xaib ntawm Safari, ces nws tuaj yeem cuam tshuam nrog nws cov kev ua haujlwm. Txhawm rau daws qhov no, mus rau Safari nqis ntawm iOS 15 thiab coj mus rhaub rau "Clear History and Website Data". Paub meej tias koj xaiv kom tshem tawm tag nrho cov ntaub ntawv cache ntawm koj iPhone.
Kaw thiab tso lub app: Qee zaum, kev daws teeb meem yooj yim tuaj yeem kho qhov teeb meem loj nrog ib qho app. Ua ntej ua txhua kauj ruam hnyav, sim kaw lub app mus tas li. Mus rau lub app switcher ntawm iOS 15 thiab los so li lub app kaw nws. Tos ib pliag thiab tso nws dua.
Tshem tawm Safari txwv: Tsis tas li ntawd, yog tias koj tau siv qee qhov kev txwv ntawm Safari app, ces nws yuav tsis ua haujlwm ntawm koj lub cuab yeej iOS 15. Mus rau Chaw> General> Kev txwv thiab ntaus tus lej lej rau cov kev txwv. Tom qab nkag mus rau nws cov chaw, koj yuav tsum manually tua ib qho kev txwv ntawm iOS 15 Safari app.

Nov yog qee txoj hauv kev los txhim kho qhov tsis tu ncua ntawm Safari app tom qab iOS 15 hloov tshiab.

3.2 Apple Music Teeb meem ntawm iOS 15

Koj txhua tus zoo siab nrog iOS 15 hloov tshiab, tab sis tam sim ntawd, koj paub tias koj tsis tuaj yeem nkag mus, sync, rub tawm, lossis ua si suab paj nruag ntawm koj lub iPhone, lossis txawm tias ntsib "kev npaj tsis raug cai 4010". Tsis txhob txhawj - koj tsis yog tib tug vim qhov teeb meem yog heev. Nov yog qee txoj hauv kev yooj yim los kho qhov no.
music problem in iOS 15 update
Ceev Fixes:
Rov pib lub app: Ua ntej tshaj, sim rov pib lub app. Txhawm rau ua qhov no, tsuas yog tso tawm App Switcher ntawm koj lub iOS 15 ntaus ntawv thiab los so li Music app kaw nws. Thaum nws ua tiav, qhib lub app dua.
Nkag mus ntxiv nrog koj tus Apple ID: yuav muaj qee qhov teeb meem nrog koj Apple ID ib yam. Mus rau Chaw los ntawm iOS 15, saib koj Apple ID, thiab kos npe tawm. Tos ib pliag thiab kos npe rov qab rau nws.
Tawm ntawm hom ntsiag to: Xyuas seb koj puas tau tso koj lub iOS 15 ntaus ntawv hauv hom ntsiag to lossis tsis. Koj tuaj yeem mus rau qhov chaw ceev thiab unmute koj iPhone. Nws tseem tuaj yeem ua tiav los ntawm lub suab nrov / unmute khawm.
Tua tawm iCloud Music Library: Yog hais tias muaj teeb meem nrog koj lub tsev qiv ntawv suab paj nruag, ces mus rau tej chaw> Suab paj nruag ntawm koj iOS no 15 ntaus ntawv mus kaw qhov kev xaiv ntawm "iCloud Music Library". Tom qab tos ib pliag, tig rov qab dua thiab sim ua cov nkauj ntawm koj lub tsev qiv ntawv suab paj nruag.
Txheeb xyuas qhov kev tso npe yuav tas sij hawm: Qhov tseem ceeb tshaj, mus rau koj lub Apple Music nqis thiab xyuas kom meej tias koj qhov kev tso npe tsis tau tas sij hawm. Koj tuaj yeem hloov kho koj txoj kev npaj los ntawm no thiab xyuas nws qhov siv tau.

3.3 iOS 15 Mail teeb meem

Peb txhua tus siv peb lub iPhones nkag mus rau email ntawm kev mus. Teeb meem nrog Mail app ntawm iPhone tuaj yeem cuam tshuam ncaj qha rau peb txoj haujlwm. Piv txwv li, emails tsis tuaj yeem xa lossis tau txais, email passcode raug tshaj tawm tsis raug, thiab nplooj ntawv dawb yuav tshwm tom qab Mail app tau pib. Yog tias koj tseem ntsib teeb meem xa ntawv zoo sib xws tom qab iOS 15 hloov tshiab, tom qab ntawd xav txog kev kho cov lus qhia hauv qab no.
mail problems of iOS 15 update
Ceev Fixes:
Pib dua tus account: Txoj hauv kev zoo tshaj los kho qhov teeb meem no yog los ntawm kev rov pib dua koj tus account iOS 15 Mail. Txhawm rau ua qhov no, mus rau Mail chaw ntawm koj lub iPhone thiab xaiv tus account koj xav rov pib dua. Rho tawm tus account thiab tos ib pliag. Tom qab ntawd, ntxiv tus account dua. Koj tuaj yeem kawm paub yuav ua li cas rov pib dua iCloud xa ntawv thiab.
Txheeb xyuas cov chaw xa ntawv: Thaum koj ntxiv tus lej xa ntawv tshiab rau koj lub iOS 15 ntaus ntawv, nco ntsoov tias koj tau nkag mus rau tus lej chaw nres nkoj server thiab lwm yam ntaub ntawv pov thawj kom raug. Tsis tas li ntawd, pab kom SSL raws tu qauv ntxiv ib txheej ntxiv ntawm kev ruaj ntseg rau koj cov ntawv.
Txheeb xyuas cov kev txwv ntawm Cellular cov ntaub ntawv: Yog tias koj nkag mus rau Mail app ntawm koj cov ntaub ntawv xov tooj ntawm tes (tsis yog Wi-Fi), ces mus rau Cellular nqis los ntawm koj lub cuab yeej iOS 15 thiab xyuas kom tseeb tias koj tau qhib Mail app nkag mus rau nws. Qee zaum, iOS pab kiag li lawm tsis cia Mail app nkag mus rau cov ntaub ntawv ntawm tes kom txuag tau nws cov kev siv.
Pab kom "Push" kev pabcuam: Raws li koj paub, cov kev pabcuam xa tuaj ua haujlwm ntawm Push lossis Pull raws tu qauv. Feem ntau ntawm cov kev pabcuam niaj hnub siv cov txheej txheem "Push" rau kev ceeb toom tsis siv neeg. Koj tuaj yeem mus rau Mail chaw> Nqa cov ntaub ntawv tshiab ntawm iOS 15 thiab xyuas kom tseeb tias qhov kev pabcuam qub yog "Push" thiab tsis yog "rub".
Cia Mail app refresh: Lwm txoj hauv kev kom paub tseeb tias Mail app yuav rov kho nws tus kheej yog los ntawm kev mus saib Chaw> General> Background App Refresh ntawm iOS 15. Tig nws thiab xyuas kom meej tias iOS 15 Mail app tuaj yeem hloov kho hauv keeb kwm yav dhau los. ib yam nkaus.

3.4 iOS 15 Facebook Messenger Teeb meem

Facebook Messenger yog siv los ntawm ntau lab tus tib neeg vim nws pab peb sib txuas lus nrog peb cov phooj ywg yooj yim zoo nkauj. Txawm li cas los xij, tom qab kev hloov tshiab iOS 15, koj yuav ntsib qee qhov teeb meem: nws yuav tsis tso tawm, xa, lossis tau txais xov xwm. Los yog tag nrho Facebook Messenger app tsuas yog tsoo thiab qhib tsis tau lawm. Cia li txias. Sim cov kev daws teeb meem yooj yim hauv qab no los kho cov teeb meem iOS 15 no.
facebook messenger problem of iOS 15 update
Ceev Fixes:
Kaw thiab tso Facebook Messenger: Ua ntej, sim kaw lub app mus tas li ntawm iOS 15. Mus saib lub app switcher thiab swipe up the app kaw nws.
Tweak app nqis: Yog tias muaj teeb meem nrog lub app nws tus kheej (zoo li lub suab ceeb toom), ces mus saib cov app nqis ntawm koj lub iOS 15 ntaus ntawv. Ntawm no koj tuaj yeem pab kom lub suab ceeb toom thiab tweak lwm qhov chaw ib yam nkaus.
Hloov tshiab Facebook Messenger: Yog tias koj tsis tau hloov kho lub app ib pliag, ces nws yuav ua haujlwm tsis zoo nrog iOS 15 hloov tshiab. Txhawm rau ua qhov no, mus saib App Store thiab saib tag nrho cov teeb tsa app. Coj mus rhaub rau "Hloov tshiab" khawm nyob ib sab ntawm Messenger app.
Rov nruab Facebook Messenger: Koj tuaj yeem rov nruab lub app ntawm iOS 15 ib yam. Ua ntej, rho tawm lub app ntawm koj iPhone thiab tos ib pliag. Tom qab ntawd, mus rau App Store, nrhiav Facebook Messenger, thiab nruab nws ib zaug ntxiv ntawm iOS 15.

3.5 App Yuav tsum tau hloov kho qhov teeb meem ntawm iOS 15

Yog tias koj tau hloov kho koj iPhone rau iOS 15 sai sai, ces koj tuaj yeem tau txais qhov teeb meem no. Qhov no nquag tshwm sim thaum tus tsim tawm ntawm lub app tsis tau tso tawm tshiab version rau iOS 15, tab sis tus neeg siv tau upgrade lawv iPhone rau iOS 15 ua ntej. Hauv qhov no, koj tuaj yeem tau txais kev ceeb toom zoo li no.
app update error of iOS 15
Ceev Fixes:
Tos rau tus tshiab version: Txoj hauv kev zoo tshaj los daws qhov teeb meem no yog tos. Feem ntau, tus tsim tawm ntawm lub app yuav tso tawm qhov hloov tshiab tshiab, txhawb nqa iOS 15. Tsuas yog mus rau App Store thiab xyuas seb qhov hloov tshiab tshiab puas muaj. Ua li no, koj tuaj yeem hloov kho lub app thiab xyuas seb nws puas txhawb iOS 15 lossis tsis. Txoj hauv kev zoo tshaj plaws yog mus xyuas App Store thiab hloov kho tag nrho cov apps ib zaug.
Nruab lub app dua: Koj tuaj yeem ua manually rho tawm lub app uas tsis ua haujlwm zoo ntawm iOS 15. Mus rau App Store thiab nruab lub app dua. Tua tawm lub tshiab ntsia app thiab nkag mus nrog koj tus account cov ntsiab lus.
Xyuas App Compatibility: Mus rau App Chaw ntawm iOS 15 thiab mus saib "App Compatibility" ntu. Koj iPhone yuav sau tag nrho cov apps uas tsis muaj kev hloov tshiab. Tej zaum yuav muaj qee qhov 32-ntsis raws li apps ntawm no thiab. Koj tuaj yeem nrhiav lwm txoj hauv kev rau cov apps no lossis hu rau tus tsim tawm app kom tso lawv cov hloov tshiab tshiab.

3.6 iOS 15 iMessage Tsis Ua Haujlwm

iOS 15 hloov tshiab yuav yog npau suav phem rau qee cov neeg siv iMessage. Lawv pom cov ntawv tsis xa lossis xa tawm, emoji tsis ua haujlwm, tiv tauj cov npe ploj, lossis kev sib tham tshem tawm sai sai. Needless hais, thaum iMessage malfunctions, yuav luag txhua tus neeg siv iOS pom nws nyuaj rau kev sib txuas lus. Cov xov xwm zoo yog tias feem ntau iMessage tsis ua haujlwm qhov teeb meem tom qab iOS 15 hloov tshiab tuaj yeem kho tau yooj yim zoo nkauj.
iOS 15 problem - imessage problem
Ceev Fixes:
Pib dua iMessage: Txoj kev yooj yim tshaj los txhim kho tej teeb meem nrog iOS 15 iMessage yog los ntawm kev pib dua nws. Tsuas yog mus rau koj qhov chaw> Lus thiab kaw qhov kev xaiv rau "iMessage". Tom qab ib pliag, hloov nws rov qab thiab xyuas seb nws puas daws qhov teeb meem.
Xyuas kom tseeb iMessage nqis: Yog tias muaj teeb meem nrog cov ntsiab lus koj tau muab hauv iMessage, ces nws tuaj yeem ua haujlwm tsis zoo. Tsuas yog mus rau iMessage nqis ntawm iOS 15 ntaus ntawv thiab xyuas koj tus lej xov tooj thiab email ID. Koj tuaj yeem hloov kho cov ntsiab lus ntawm no thiab.
Ntxiv lwm email ID: Yog tias koj xav tias muaj teeb meem nrog cov ntsiab lus dhau los, ces koj tuaj yeem ntxiv lwm email ID ntawm iOS 15. Ua li no, mus rau Chaw> Lus> Xa & Txais. Coj mus rhaub rau "Ntxiv Lwm Tus Email" thiab sau cov ntsiab lus ntawm tus email tshiab.
Hloov tawm "Raws Motion": Ntau zaus, cov teebmeem ntawm iMessage tsis zoo li ua haujlwm. Nyob rau hauv cov ntaub ntawv no, mus rau tej chaw > General > Accessibility ntawm iOS 15. Nco ntsoov tias qhov kev xaiv rau "Raws Motion" yog switched tawm.
Zam lub sijhawm sib tsoo: tuaj yeem muaj kev sib tsoo nrog hnub thiab sijhawm ntawm koj lub iOS 15 ib yam. Qhov teeb meem no tuaj yeem daws tau yooj yim los ntawm kev mus saib koj lub iPhone Cov Chaw> General> Hnub & Lub Sijhawm. Tam sim no, tig rau qhov kev xaiv "Set Automatically" thiab xyuas kom meej tias lub sijhawm nkag mus rau ntawm no yog qhov tseeb.

3.7 iOS 15 App Store poob lawm

Dhau li ntawm lwm qhov teeb meem iOS 15, ntau tus neeg siv feem ntau tau txais cov popups "tsis tuaj yeem txuas mus rau App Store", nrhiav App Store npo dawb, lossis tsis pom cov apps hauv nws. Nov yog qhov koj tuaj yeem ua tau yog tias koj tuaj hla App Store teeb meem ntawm koj lub iPhone / iPad.
iOS 15 problem - app store problem
Ceev Fixes:
Xyuas App Store raws li txoj cai: Ua ntej koj ua ib kauj ruam hnyav, nco ntsoov tias App Store ua haujlwm lossis tsis nyob ntawm iOS 15. Mus rau nplooj ntawv Apple System Status thiab xyuas seb App Store puas tau poob lossis teem sijhawm rau kev saib xyuas.
Tshawb xyuas cov ntaub ntawv nkag: Xyuas seb qhov teeb meem puas muaj nrog tsuas yog cov ntaub ntawv xov tooj ntawm tes lossis yog tias koj tuaj yeem nkag mus rau App Store tsuas yog thaum koj txuas nrog Wi-nkaus network. Txhawm rau daws qhov no, mus rau Chaw> Cellular ntawm iOS 15 thiab qhib cov ntaub ntawv nkag rau App Store.
Pib dua Apple account: Koj tuaj yeem rov pib dua koj tus lej Apple ntawm iOS 15. Tsuas yog mus rau koj Apple ID thiab kos npe tawm ntawm nws. Tom qab ntawd, kos npe rov qab rau hauv koj tus account thiab sim rov qhib App Store dua.
Teem lub sij hawm tsis siv neeg: Ntxiv rau qhov ntawd, mus rau Hnub Tim & Lub Sijhawm teeb tsa ntawm iOS 15 ntaus ntawv thiab tig rau qhov kev xaiv rau "Tshem Tawm".
Pib dua kev teeb tsa network: Mus saib Chaw> Dav> Pib dua ntawm iOS 15 thiab xaiv Pib dua Network Chaw.

Koj tuaj yeem tshawb xyuas qee qhov kev xaiv ntawm no los kho App Store tsis ua haujlwm tom qab hloov tshiab iOS 15.

3.8 iOS 15 App Teeb meem

Sib nrug los ntawm cov apps nrov xws li iMessage lossis Music, yuav muaj teeb meem nrog ntau lwm cov apps ntawm koj lub cuab yeej thiab. Peb pom zoo kom ua raws li cov kev daws teeb meem hauv qab no los kho cov teeb meem tsis xav tau app tom qab iOS 15 hloov tshiab.
app issue of iOS 15
Ceev Fixes:
Txheeb xyuas daim ntawv teev npe sib raug: Mus rau App cov ntaub ntawv thiab tshawb xyuas cov npe sib raug zoo kom paub seb lub app puas muaj teeb meem nrog iOS 15.
Hloov kho lub app: Mus rau App Store ntawm iOS 15 thiab hloov kho lub app uas zoo li ua haujlwm tsis zoo.
Rov nruab lub app: Uninstall lub app, mus rau App Store, thiab nruab nws ib zaug ntxiv.
Hloov tawm lub app: Tua tawm App Switcher ntawm iOS 15 ntaus ntawv thiab kaw lub app los ntawm swiping.
Tua iCloud sync: Yog tias lub app txuas nrog iCloud, ces koj tuaj yeem mus rau iCloud chaw ntawm iOS 15 thiab tua qhov kev xaiv sync rau lub app. Tom qab ntawd, koj tuaj yeem tshawb xyuas yog tias lub app ua haujlwm thiab qhib lub sync dua.

3.9 iOS 15 Siri Tsis Muaj

Thaum iOS 15 tau los nrog qee qhov kev xaiv tshiab thiab qib siab rau Siri, tsis yog txhua tus ntawm lawv zoo li ua haujlwm zoo. Tej zaum yuav muaj kev hloov pauv tsis siv neeg hauv Siri qhov chaw uas tuaj yeem ua rau nws ua haujlwm tsis zoo. Txawm li cas los xij, yuav muaj qhov teeb meem sib sib zog nqus hauv paus software tom qab qhov teeb meem no iOS 15 ib yam nkaus.
Puas yog kuv tsuas yog muaj peev xwm ntxiv Siri Shortcuts tshiab tsis ua haujlwm rau leej twg hauv beta no (4)?
FEEDBACK los ntawm TWITTER
Ceev Fixes:
Pib dua Siri: Ua ntej koj ua txhua kauj ruam hnyav, sim rov pib Siri ntawm iOS 15. Mus rau Chaw> Siri thiab tua nws. Tom qab tos ib pliag, toggle qhov kev xaiv dua thiab saib seb nws puas ua haujlwm.
Pib dua network nqis: Yog tias koj xav tias muaj teeb meem hauv network nrog koj lub iPhone uas ua rau muaj teeb meem no nrog Siri, ces koj tuaj yeem rov pib dua iOS 15 network chaw. Txhawm rau ua qhov no, mus rau koj lub xov tooj Chaw> Dav> Pib dua thiab coj mus rhaub rau "Reset Network Settings".
Pab kom "Hav Siri!" lus ceeb toom: Los ntawm lub neej ntawd, Siri teb rau "Hav Siri!" kom sai. Yog tias nws raug tua, ces koj yuav xav tias iOS 15 Siri tsis muaj. Mus rau Siri qhov chaw thiab qhib qhov "Hav Siri!" qhia los ntawm no.
Tso cai rau Siri siv cov ntaub ntawv xov tooj ntawm tes: Nco ntsoov tias koj muaj kev sib txuas hauv internet ruaj khov ntawm iOS 15. Tsis tas li ntawd, mus rau koj cov ntaub ntawv Cellular xaiv thiab tso cai rau Siri tso cai rau nws nkag mus.
Tig tawm kev xaiv Dictation: Nws tau raug pom tias "Dictation" feature ntawm iOS 15 tuaj yeem qee zaum cuam tshuam nrog tag nrho cov haujlwm ntawm Siri. Txhawm rau kho qhov no, mus rau koj lub cuab yeej Chaw> General> Keyboards thiab tua qhov "Enable Dictation" kev xaiv.

Txhawm rau nkag siab ntxiv thiab daws qhov teeb meem no, koj tuaj yeem nyeem phau ntawv qhia dav dav ntawm kev kho Siri Tsis Ua Haujlwm .

3.10 Cov ntawv ceeb toom tshwm tsis raug ntawm iOS 15

Qhov no yog ib qho ntawm feem ntau cov kab mob iOS uas tau nyob ib puag ncig rau ob peb qhov hloov tshiab kawg. Tsis tas li ntawd, ntau tus neeg siv tau xav tias lawv cov ntawv ceeb toom iOS tsis tau qhia lossis tsis tshwm sim hauv ib txoj hauv kev tom qab iOS 15 hloov tshiab. Sim siv qee cov lus qhia hauv qab no los kho qhov teeb meem no iOS 15.
Cov ntawv ceeb toom tsis tshwm sim raug tom qab iOS 15 hloov tshiab? Tom qab ntawd koj tuaj yeem sim cov lus qhia no ib txwm: https://bit.ly/2BCHiuj @drfone_toolkit
Ceev Fixes:
Tsis txhob ceeb toom cluttering: Qhov cluttering ntawm ntau cov ntawv ceeb toom tuaj yeem ua rau qhov teeb meem no iOS 15. Tsuas yog mus rau lub tab ceeb toom ntawm koj lub iPhone thiab tshem tag nrho cov ntawv ceeb toom hauv ib qho mus. Feem ntau, qhov no yuav ua rau cov ntawv ceeb toom tshwm kom raug tom qab.
Tua tawm hom DND: Yog tias koj tsis tau txais ib qho kev ceeb toom ntawm koj lub iOS 15 iPhone, ces muaj feem yuav yog tias koj iPhone tuaj yeem nyob rau ntawm hom DND (Tsis Txhob cuam tshuam). Tsuas yog tua nws los ntawm Chaw Tswj Xyuas lossis los ntawm kev mus saib koj lub cuab yeej Chaw.
Kho cov ntawv ceeb toom saib ua ntej: Koj tuaj yeem hloov txoj hauv kev koj tau txais kev saib ua ntej ntawm cov ntawv ceeb toom ntawm koj lub iOS 15 ib yam. Mus rau nws Chaw> Kev Ceeb Toom> Qhia saib ua ntej thiab xaiv "Ib txwm" tsis yog "Thaum Xauv" lossis lwm yam kev xaiv.
Tso cai rau cov ntawv ceeb toom rau cov apps tshwj xeeb: Los ntawm no, koj tuaj yeem tshawb xyuas yog tias koj tau xiam cov ntawv ceeb toom rau qee lub app thiab. Nyob rau hauv cov ntawv ceeb toom teeb tsa ntawm koj lub iOS 15 ntaus ntawv, koj tuaj yeem pom cov npe ntawm tag nrho cov apps. Tsuas yog coj mus rhaub rau ntawm ib qho app thiab qhib qhov "Allow Notifications" xaiv. Koj tuaj yeem qhib / tawm suab ceeb toom rau lub app ntawd thiab nws saib ua ntej.
Pib dua txhua qhov chaw: Mus rau Chaw> General> Pib dua thiab xaiv rov pib dua tag nrho cov chaw khaws tseg ntawm koj lub iOS 15.

Part 4. iOS 15 Teeb meem: Lwm yam teeb meem tom qab hloov tshiab

Tsis yog cov apps xwb, lwm cov nta ntawm koj lub iPhone tuaj yeem ua haujlwm tsis zoo tom qab hloov tshiab iOS 15. Yuav muaj teeb meem nrog nws Wi-Fi, Bluetooth, roj teeb, thiab lwm yam. Peb tau npog qee qhov teeb meem loj iOS 15 nrog lawv cov kev kho sai.

4.1 iOS 15 Roj teeb nrawm nrawm

Nov yog qee yam uas yuav luag txhua tus neeg siv iPhone yws txog. Ntau dhau lawm, tom qab hloov kho lub cuab yeej rau iOS 15, nws lub roj teeb zoo li ntws nrawm dhau. Qee cov neeg siv tau tshaj tawm tias lub roj teeb iPhone tsis tuaj yeem kav ntev li 2 teev. Thaum koj lub roj teeb iPhone tuaj yeem raug puas tsuaj, tuaj yeem muaj cov kab mob software ua rau qhov teeb meem no thiab.
iOS 15 problem - battery draining
Ceev Fixes:
Txheeb xyuas cov roj teeb ua haujlwm: Tshawb xyuas lub roj teeb ntawm koj lub iPhone thiab xyuas kom tseeb tias nws tau them txaus. Tus tshiab iOS 15 los nrog lub roj teeb Health feature uas tuaj yeem kuaj xyuas los ntawm nws cov Chaw> Roj teeb. Qhov no yuav cia koj txheeb xyuas qhov ua tau zoo tshaj plaws thiab tag nrho lub peev xwm ntawm iOS 15 roj teeb.
Txheeb xyuas cov roj teeb-draining apps: Mus rau lub roj teeb siv thiab txheeb xyuas cov apps uas tau ntws koj lub roj teeb ntau tshaj plaws. Koj tuaj yeem hloov kho lossis tshem tawm cov apps no tom qab.
Tsis txhob khiav ntau lub apps: Sim ua kom zoo dua iOS 15 kev ua haujlwm los ntawm kev kaw cov apps tsis tsim nyog. Koj tuaj yeem hloov kho iOS 15 cov kev pabcuam xws li GPS uas tuaj yeem tso koj lub roj teeb ntawm iPhone. Tsis tas li ntawd, mus rau nws Chaw thiab tua Background App Refresh xaiv.
Tig tawm Fitness Tracking: Yog tias koj tau qhib qhov kev xaiv Fitness Tracking ntawm iOS 15, ces nws tuaj yeem haus roj teeb ntau thiab. Mus rau nws qhov Motion & Fitness settings thiab tua qhov kev xaiv no.
Tos rau tus qauv iOS 15 version: Qhov tsis xav tau iOS 15 teeb meem roj teeb feem ntau pom hauv beta lossis versions dhau los. Tos kom ruaj khov dua iOS 15 version thiab hloov kho koj lub cuab yeej thaum twg cov pej xeem version raug tso tawm los kho qhov teeb meem no.

4.2 iOS 15 Kev them nyiaj teeb meem

Txawm hais tias koj lub roj teeb iOS 15 ua haujlwm tau zoo, muaj feem yuav muaj teeb meem nrog nws them thiab. Tej zaum koj yuav muaj lub sijhawm nyuaj thaum siv lub 3rd-tog iOS charger, lub iOS 15 ntaus ntawv yuav tsum tsis them thaum lub roj teeb lub zog nce mus txog 80% lossis 90%, lossis cov nqi them tuaj yeem ua rau qeeb tom qab iOS 15 hloov tshiab.
Cov lus qhia hauv qab no yuav muaj txiaj ntsig zoo rau koj thaum daws teeb meem them nqi tom qab iOS 15 hloov tshiab.
Ceev Fixes:
Tsis suav nrog kev puas tsuaj rau lub cev: Tshawb xyuas qhov kev puas tsuaj ntawm lub cev ntawm koj lub iOS 15 ntaus ntawv. Xyuas kom tseeb tias lub qhov hluav taws xob them nyiaj ua haujlwm thiab koj siv lub xov tooj hluav taws xob tiag tiag. Sim them koj lub iPhone los ntawm cov hluav taws xob sib txawv los kuaj xyuas qhov teeb meem no.
Restart ntaus ntawv: Restart koj iPhone. Qee zaum, txhua yam nws yuav siv los kho qhov teeb meem them nyiaj nrog iOS 15 yog qhov yooj yim rov pib dua ntawm nws lub zog hluav taws xob.
Ntxuav lub qhov (socket) kom huv: Siv cov paj rwb paj (tsis ntub) thiab ntxuav lub qhov (socket) ntawm koj lub iOS 15 ntaus ntawv. Nws tuaj yeem ua haujlwm tsis zoo vim av lossis puas.
Txais yuav qhov ruaj khov dua iOS 15 version: Tos kom ruaj khov iOS 15 tso tawm thiab tsis txhob hloov koj lub cuab yeej mus rau beta lossis thawj version. Yog tias koj siv iOS 15 beta thiab tsis tuaj yeem hloov kho nws, ces xav txog kev txo qis nws mus rau qhov ruaj khov iOS 15 version.

Nov yog qee qhov kev daws teeb meem los txhim kho cov teeb meem iPhone them nyiaj ntau.

4.3 iOS 15 Device Overheating Teeb meem

Yog tias koj iPhone zoo li overheat ntau thaum twg koj siv nws, ces koj yuav tsum tau ceeb toom. Tej zaum yuav muaj teeb meem loj nrog lub iOS no thiab nws yuav tsum tau kho tam sim ntawd. Feem ntau ntawm cov xwm txheej, kev ua tsis ncaj iOS 15 hloov tshiab lossis qhov teeb meem software ua rau muaj teeb meem ntawm iPhone overheating.
iOS 15 problem - iphone overheating
Ceev Fixes:
Hloov tawm cov yam ntxwv hnyav: Tsuas yog tua hauv is taws nem, qhov chaw, AirDrop, thiab lwm yam hnyav ntawm iOS 15 thiab cia nws so. Koj tuaj yeem hloov nws thiab tig nws dua thaum lub iPhone txias.
Tshem cov rooj plaub hnyav: Yog tias koj lub iPhone npog nrog cov ntaub ntawv hnyav, ces tshem tawm nws. Nws tau pom tias cov ntaub ntawv tawv tuaj yeem ua rau lub sijhawm kub dhau ntawm iPhone.
Zam kev tso tawm beta: Downgrade, lossis hloov kho koj lub iPhone mus rau qhov ruaj khov dua ntawm iOS 15 (tsis txhob beta thiab tso tawm ua ntej).
Tsis txhob siv qee cov apps: Mus rau koj lub iPhone siv roj teeb thiab cov ntaub ntawv siv chaw. Qhov no yuav cia koj txheeb xyuas lub iOS 15 apps uas hnyav ntawm kev ua kom koj tuaj yeem tsis siv lawv.
Tsis txhob muaj qhov kub thiab txias: Tsis txhob siv koj lub iPhone ntau dhau ntawm tshav ntuj lossis tso rau hauv koj lub tsheb. Tsis tas li ntawd, tsis txhob muab tso rau hauv cov khoom hluav taws xob (xws li koj lub laptop) uas tuaj yeem ua kom sov ntxiv.
Pib dua iPhone nqis: Yog tias koj xav tias muaj teeb meem nrog iOS 15 chaw, tom qab ntawd mus rau nws cov kev xaiv pib dua thiab rov pib dua txhua qhov chaw.

4.4 iOS 15 Cellular Data Teeb meem

Ntau tus neeg siv yws yws txog teeb meem nrog lawv cov ntaub ntawv xov tooj ntawm tes tom qab iOS 15 hloov tshiab. Cov kev tsis txaus siab feem ntau yog:
  • Qee cov apps tsis txuas rau cov xov tooj ntawm tes.
  • Qee cov apps siv ntau cov ntaub ntawv xov tooj ntawm tes tom qab iOS 15 hloov tshiab.
  • iOS 15 cov ntaub ntawv xov tooj ntawm tes tsis tuaj yeem qhib lossis tsis ua haujlwm qee zaum.
Ceev Fixes:
Tshawb xyuas kev pab them nqi network: Ua ntej, xyuas seb koj puas tau txais kev pab txaus ntawm koj lub network lossis tsis. Yog tsis muaj kev pab them nqi network, cov ntaub ntawv xov tooj ntawm tes ntawm iOS 15 yuav tsis ua haujlwm.
Qhib cov ntaub ntawv xov tooj ntawm tes: Tsis tas li, xyuas kom tseeb tias cov ntaub ntawv xov tooj ntawm tes tau qhib. Mus rau koj lub iPhone chaw> Cov ntaub ntawv Cellular thiab qhib nws.
Qhib Cov Ntaub Ntawv Roaming: Yog tias koj roaming (tawm ntawm koj lub tsev network), ces qhov "Data Roaming" kev xaiv hauv Cellular Data settings yuav tsum qhib.
Pib dua kev teeb tsa network: Mus rau Chaw> Dav> Pib dua thiab xaiv "Pib Network Chaw" ntawm iOS 15 txhawm rau txhim kho cov teeb meem ntsig txog network.
Txhim kho tus neeg nqa khoom hloov tshiab: Hauv koj lub iPhone's Cellular Chaw, koj tuaj yeem tshawb xyuas yog tias koj tus cab kuj tau thawb ib qho kev hloov tshiab. Yog tias koj pom tej chaw tshiab, ces hloov koj iPhone.

4.5 iOS 15 Wi-Fi teeb meem

Sim siv iOS 15 pab kiag li lawm kom muaj peev xwm los ntawm iOS 15 hloov tshiab, qee cov neeg siv tsuas pom qhov teeb meem tsis xav txog Wi-Fi ua rau tag nrho iOS 15 kev paub. Raws li lawv cov lus ceeb toom, Wi-nkaus tes hauj lwm tsis tuaj yeem txuas nrog, "Wi-Fi passcode tsis raug" tshwm sim, qhov kev xaiv Wi-Fi ua grey hauv cov chaw, lossis Wi-Fi ceev tig qeeb. Peb tau tuaj nrog qee txoj hauv kev los txhim kho iOS 15 Wi-Fi teeb meem ntawm no.
@AppleSupport Kuv iPhone X tsis tau txuas nrog paub Wi-Fi tau txais. Sijhawm dhau los kuv yuav tsum tau txais nws txuas.
Kuv lwm iPhone 6Splus ua haujlwm zoo yam tsis muaj teeb meem li ntawd. Pls pab thiab tawm tswv yim yuav ua li cas.
FEEDBACK los ntawm TWITTER
Ceev Fixes:
Pib dua Wi-Fi: Sim rov pib dua koj Wi-Fi ntawm iOS 15. Koj tuaj yeem hloov nws tawm ntawm Chaw Tswj Kev Xaiv lossis los ntawm kev mus saib koj lub cuab yeej Wifi chaw ua nws. Tos ib pliag thiab tig nws ib zaug ntxiv.
Tsis suav nrog Wi-Fi router yuam kev: Tshawb xyuas Wi-Fi router thiab koj qhov kev sib txuas kom paub tseeb tias tsis muaj qhov yuam kev. Koj tuaj yeem tau txais kev sib cuag nrog tus neeg muab kev pabcuam hauv lub network kom paub yog tias muaj kev cuam tshuam hauv lawv lub server.
Rov txuas rau Wi-Fi: Yog tias muaj teeb meem nrog kev sib txuas tshwj xeeb, ces koj tuaj yeem rov pib dua nws thiab. Mus rau koj qhov chaw Wi-Fi ntawm iOS 15 thiab coj mus rhaub rau ntawm "i" icon nyob ib sab ntawm lub network. Ntawm no, koj tuaj yeem coj mus rhaub rau "Tsis nco qab Network" kev xaiv. Tom qab ntawd, koj tuaj yeem kaw Wi-Fi thiab rov qhib dua, tshawb pom tib lub network, thiab sim rov txuas nws.
Manually ntxiv ib lub network: Qee zaum, nws yog qhov zoo dua los manually ntxiv lub network zoo li ntawm iOS 15. Yog tias koj lub iPhone tsis tuaj yeem ntes Wi-nkaus network, ces koj tuaj yeem ua raws li txoj hauv kev no. Xaiv los teeb tsa lub network tshiab manually thiab muab nws cov ntsiab lus txhawm rau txuas rau nws.
Tshem tawm cov profile dhau los: Yog tias koj tau sim hloov kho koj lub iPhone yav dhau los, ces yuav muaj kev sib tsoo nrog nws qhov profile uas twb muaj lawm. Mus rau nws Software Hloov Kho Chaw thiab tshem tawm cov profile uas twb muaj lawm. Tom qab ntawd, koj tuaj yeem sim hloov kho koj iPhone mus rau qhov ruaj khov iOS 15 version.

4.6 iOS 15 teeb meem Bluetooth

Cov teeb meem Bluetooth yog ib qho kev poob siab loj txog iOS 15 hloov tshiab. Cov neeg siv cov lus tsis txaus siab txog iOS 15 Bluetooth feem ntau suav nrog: Bluetooth kev twb kev txuas tsis ua haujlwm, Bluetooth tau yooj yim txiav, Bluetooth tsis tuaj yeem muab tua, thiab Bluetooth icon ploj hauv iOS 15. Yog tias koj iPhone / iPad tseem ntsib teeb meem Bluetooth tom qab iOS 15 hloov tshiab, ces cov lus qhia hauv qab no raug pom zoo.
Nco tseg: Qhov tseeb, iOS 15 Bluetooth icon ploj lawm tsis yog qhov teeb meem tiag tiag. Nov yog qhov tshiab interface tsim ntawm Apple hauv iOS 15.
Ceev Fixes:
Qhib Bluetooth: Xyuas kom tseeb tias Bluetooth feature tau qhib rau hauv iOS 15. Koj tuaj yeem mus rau nws qhov kev xaiv ntawm Chaw Tswj Xyuas lossis mus saib koj lub cuab yeej Chaw> Bluetooth. Ntawm no, koj yuav tsum xyuas kom meej tias qhov kev xaiv Bluetooth tau qhib.
Tua lub dav hlau hom: Tsis tas li ntawd, nco ntsoov tias lub dav hlau hom ntawm iOS 15 tsis qhib. Yog tias koj lub iPhone khiav hauv hom dav hlau, ces Bluetooth, Wi-Fi, cov ntaub ntawv xov tooj ntawm tes, thiab lwm yam yuav raug kaw. Mus rau Chaw Tswj lossis Chaw ntawm iOS 15 kom tua lub dav hlau hom.
Rov pib dua lub cuab yeej iOS: Qee zaum, qhov teeb meem tuaj yeem kho los ntawm kev rov pib dua lub iOS 15 ntaus ntawv.
Txuas rau Bluetooth dua: Yog tias koj tsis tuaj yeem txuas rau ib lub cuab yeej tshwj xeeb, ces mus rau iOS 15 Bluetooth nqis, coj mus rhaub rau ntawm "i" icon nyob ib sab ntawm lub cuab yeej, thiab tsis nco qab nws. Tom qab ntawd, koj tuaj yeem sim txuas rau nws dua.

Ua raws li cov lus qhia ntxaws ntxaws kom paub daws teeb meem Bluetooth hauv qee txoj hauv kev.

4.7 iOS 15 Wallpaper Teeb meem

Yog – koj tau nyeem lawm. Qee zaum, cov neeg siv ntsib teeb meem npaj txhij txog nrog iOS 15 wallpaper ib yam. Piv txwv li, nyob rau lub sij hawm iPhone cia li zooms nyob rau hauv ib tug duab thaum teem nws li wallpapers, wallpapers yuav tsis tau resize, thiab nyob wallpaper tsis ua hauj lwm lawm. Txawm hais tias qhov teeb meem yog dab tsi, nws tuaj yeem kho tau los ntawm kev ua raws li cov kev daws teeb meem hauv qab no.
iOS 15 problem - wallpaper
Ceev Fixes:
Tig Tawm Kev Txom Nyem: Yog tias iOS 15 ntaus ntawv cia li rub cov duab thaum teeb tsa nws li wallpaper, ces yuav muaj teeb meem nrog nws cov teeb tsa parallax. Txhawm rau zam qhov no, mus rau nws Cov Chaw> General> Nkag mus> Txo Cov Lus Qhia thiab tig qhov kev xaiv rau "Raws Motion" tawm.
Tuav lub Hwj Chim Tsawg: Yuav muaj teeb meem nrog Live Wallpapers ib yam. Ua ntej, xyuas seb koj li iOS 15 nyob rau hauv Low Power hom lossis tsis. Hom Lub Hwj Chim Tsawg cia li tsis quav ntsej txog Live Wallpapers kom txuag tau lub roj teeb. Them koj lub xov tooj los yog tua lub Low Power hom manually.
Hloov mus rau ib lub wallpaper customized: Mus rau koj Chaw> Wallpaper ntawm iOS 15 thiab teeb lub neej ntawd wallpaper rau koj iPhone ib pliag. Tom qab ntawd, sim hloov nws mus rau lwm yam kev cai wallpaper thiab saib seb nws kho qhov teeb meem.
Tig rau 3D Kov: Tej zaum koj yuav tsis paub qhov no, tab sis nyob wallpapers siv 3D Kov thiaj li qhib tau. Tsuas yog mus rau General Chaw> 3D Kov ntawm koj iOS 15 thiab xyuas kom tseeb tias nws tau qhib.

4.8 AirPods Yuav Tsis Txuas ntawm iOS 15

Ib qho zoo tshaj plaws ntawm cov khoom siv iOS no yog AirPods raws li lawv cia peb mloog nkauj yam tsis muaj kev cuam tshuam ntawm cov xov hlau. Txawm li cas los xij, qee zaum AirPods tsis zoo li txuas mus rau ib qho khoom siv iOS no hloov kho rau iOS 15. Qhov teeb meem tuaj yeem nyuaj me ntsis vim cov neeg siv thawj zaug yuav tsum txheeb xyuas qhov laj thawj tom qab nws.
iOS 15 problem - AirPods connection problem
Ceev Fixes:
Pib dua koj AirPods: Sim rov pib dua koj AirPods nrog koj iPhone. Txhawm rau ua qhov no, mus rau Bluetooth nqis ntawm iOS 15 thiab coj mus rhaub rau ntawm "i" icon nyob ib sab ntawm koj AirPods. Ntawm no, koj yuav tsum disconnect koj iPhone. Tos ib pliag thiab txuas dua.
Rov txuas rau AirPods: Dhau li ntawm kev sib txuas, koj tuaj yeem xaiv tsis nco qab iPhone tag nrho. Tom qab ntawd, koj tuaj yeem txuas lub iPhone ntawm kos los kho qhov teeb meem no iOS 15.
Tsis suav cov teeb meem ntawm lub cev: Nco ntsoov tias koj AirPods raug them thiab lawv tsis raug puas tsuaj rau lub cev.
Tig Bluetooth thiab qhib: Tsuas yog tua Bluetooth ntawm koj lub cuab yeej iOS 15, tos ib pliag, thiab tig nws dua.
Txheeb xyuas ntau yam kev sib txuas lus: Nco ntsoov tias koj AirPods tau ua ke rau txoj cai iOS 15 ntaus ntawv hauv qhov zoo tagnrho.
Muab AirPods tso rau hauv kev sib koom ua ke: Muab koj AirPods tso rau hauv Bluetooth ua ke hom. Txhawm rau ua qhov no, khaws koj lub AirPods hauv lawv cov ntaub ntawv them nyiaj nrog nws lub hau qhib. Tuav lub khawm teeb nyob tom qab ntawm rooj plaub thiab tos raws li lub teeb pom kev yuav pib flashing dawb.

4.9 iOS 15 Suab Teeb meem

Koj tuaj yeem siv koj lub cuab yeej iOS 15 los mloog koj cov nkauj nyiam, ua si, hu nkauj, lossis siv FaceTime. Txawm li cas los xij, qhov teeb meem suab tsis tau xav txog (tsis muaj lossis tsis muaj suab nrov) tuaj yeem ua rau tsis xav poob rau koj qhov kev paub iPhone. Koj tuaj yeem kov yeej iOS no 15 cov teeb meem suab, peb xav kom kho cov hauv qab no.
iOS 15 sound problem
Ceev Fixes:
Tsis suav nrog kev puas tsuaj rau lub cev: Nco ntsoov tias tsis muaj kev puas tsuaj rau lub cev rau koj tus neeg hais lus iPhone. Tsis tas li ntawd, tej zaum yuav muaj tej av los yog plua plav hauv nws. Siv ib tug txhuam hniav thiab ntxuav nws maj mam.
Kos lub Headphone hom: Tsis tas li ntawd, xyuas seb koj lub iPhone daig hauv lub mloog pob ntseg los yog tsis. Koj tuaj yeem pom lub mloog pob ntseg ntawm lub vijtsam uas tsis muaj suab. Feem ntau ntawm cov xwm txheej, nws tuaj yeem kho los ntawm tsuas yog rov pib dua koj lub iPhone.
Qhib Suab hauv kev teeb tsa: Yog tias koj tsis tau txais cov suab rau cov ntawv ceeb toom, ces mus rau Kev Ceeb Toom Chaw ntawm iOS 15 thiab pab "Suab".
Tua tawm hom DND: Mus rau Chaw> Tsis Muaj Teeb Meem ntawm iOS 15, thiab xyuas kom koj lub iPhone / iPad tsis nyob hauv hom DND.

4.10 iOS 15 Ringtone tsis ua haujlwm

Not just your iPhone’s sound, sometimes iOS 15 update may result in ringtone malfunctioning, for example, customized ringtones no longer effect, or not any sound played for incoming calls, texts, app notifications. Thankfully, the iOS 15 problem can be fixed by following the below solutions.
Ringtone feature does not work after iOS 15 update? try these tips to have a quick fix: https://bit.ly/2BCHiuj @drfone_toolkit
Quick Fixes:
Quit silent mode: Firstly, make sure that your iPhone is not in the silent mode. From the side switch, you can view the same. If you can view the orange strip, it means the iOS 15 device is in the silent mode. Just push it towards the device to unmute it.
Check ringtone volume: In addition to that, check the ringtone volume on iOS 15. Unlock your iPhone and press the Volume Up button a few times in order to increase the ringer’s volume.
Change ringtone: You can also try to change your iPhone’s ringtone as well. To do this, go to Settings > Sounds > Ringtone on iOS 15 and select any other option from the list.
Turn on Vibrate on Ring: If your iPhone is not vibrating while ringing, then you can go to Sounds option on iOS 15 and turn on the “Vibrate on Ring” feature.

4.11 iOS 15 Touchscreen Problems

iPhone touchscreen problems are not new in iOS 15. Just after updating their iDevices to a new iOS 15 version, a lot of users face such issues as touch screen not responding to touches, or touch screen freezing when calls come in. There could be a clash in iOS settings, physical damage, or a software glitch behind this.
iPhone touchscreen not working. Fixable?
FEEDBACK FROM TWITTER
Quick Fixes:
Exclude physical factors: To start with, make sure that there is no physical damage to your iPhone’s touch screen. Look for any crack or spill on the screen to make sure it is not a hardware problem.
Calibrate brightness: Sometimes, users face a glitch in the iPhone touchscreen due to the brightness level as well. To fix this, you need to calibrate your iOS brightness. Go to Settings > Display & Brightness on iOS 15. Swipe the level to the left end, wait for a while, and swipe it again to the right end. Do this 2-3 times till the brightness is well calibrated.
Force restart iPhone: If your iPhone’s screen isn’t responding at all, then try to force restart it by applying the right key combinations. Once the iPhone is restarted, chances are that its touchscreen would also start working.
Gently press the screen: The logic board in an iOS device mostly connects the display with the rest of the device’s hardware. If there is a loose cable, then you can fix it by pressing the screen above the logic board. In most of the cases, it is located at the top right corner or the middle. Though, make sure that you are gentle and don’t press the screen too hard.

Also, check one more in-depth guide that can help you fix iPhone touch screen problems after an iOS 15 update.

4.12 Touch ID Not Working on iOS 15

Problems brought by iOS 15 update are various and, of course, include Touch ID problems. Some users found iPhone Touch ID not responsive or even not working at all. If you are among them, then here are some tips that can help fix this iOS 15 issue.
is anyone else’s touch id not working? typing in my password is getting old hahah
FEEDBACK FROM TWITTER
Quick Fixes:
Clean the Touch ID part: Make sure that the Touch ID is working properly on your iPhone. Wipe it gently and clean it off from dirt or water. Also, position your finger in the correct manner so that the Touch ID can scan it entirely.
Add new fingerprint: It is recommended to delete your fingerprint and add a new one every few months. This will improve the accuracy of the scan. To do this, go to Settings > Touch ID & Passcode on iOS 15 and delete the existing fingerprints. Now, tap on “Add a Fingerprint” and scan your finger again.
Reset Touch ID: Another quick solution to fix this issue is by resetting the iOS 15 Touch ID feature. Go to the Touch ID settings and under the “Used for” option, you can view how the Touch ID is associated with other features. Toggle them off and lock your device. Unlock it with a passcode, go to these settings and turn them on again.
Reset all settings: If nothing else seems to work, then simply go to Settings > General > Reset and reset all settings on the iOS 15 device. After that, the iOS would be restarted and you need to add a new fingerprint.

Read a new post to know more suggestions for fixing a malfunctioning Touch ID on an iOS device.

Part 5. iOS 15 Problems about Downgrade

A lot of times, users don’t like the iOS 15 update due to numerous reasons and would like to downgrade to a previous stable version. This mostly happens when they update their iPhone/iPad to a beta or initial version of iOS 15. Since downgrading from iOS 15 can be a bit complex on its own, users often face unwanted obstacles while doing the same. We have listed some common iOS 15 downgrading issues with simple fixes.

5.1 iOS 15 downgrade stuck in recovery mode/DFU mode/Apple logo

iOS 15 downgrading may not proceed smoothly as your iPhone can be stuck in recovery mode, DFU mode, black screen, or white Apple logo screen. Before you take any drastic step, just wait for a few minutes. In this way, you can be sure whether iOS 15 downgrading is actually stuck or is simply taking a while to process.
iOS 15 downgrade problem - process stuck
Quick Fixes:
Force restart iPhone: The best way to fix this problem is by force restarting your iPhone. In order to force restart your iPhone, you need to press the correct key combinations (Power + Home/Volume Down buttons). It will break the ongoing power cycle and would restart your device.
Clear historical data: If there is a lot of cache and website data on Safari, then it can tamper with its processing. To resolve this, go to Safari settings on iOS 15 and tap on “Clear History and Website Data”. Confirm your choice to clear all the cache data from your iPhone.
Connect to iTunes: You can also launch an updated version of iTunes on your system and connect your iPhone to it. If your iPhone is already in the DFU or recovery mode, then iTunes will detect it, and ask you to restore it. Follow the on-screen instructions to restore your iPhone entirely.
Use a repair tool: If you don’t want to cause any evident harm to your iPhone, then use an expert third-party tool. For instance, Dr.Fone - System Repair (iOS) can fix all the prominent iOS 15 issues. It will repair your iPhone to a stable iOS 15 version without losing any data at all.

5.2 Data loss after iOS 15 downgrade

Losing our important files is certainly a situation that no user likes during iOS 15 downgrade. But it did happen. Lots of users said they could not find their photos, music, contacts, videos, etc. after iOS 15 downgrade. To overcome this issue, we recommend the below solutions.
Found some data lost after iOS 15 downgrade? Try these tips to recover data without hassle: https://bit.ly/2BCHiuj @drfone_toolkit
Quick Fixes:
Restore a previous backup: The first approach is to restore a previous backup on your iOS. If you have already taken a backup using iTunes, then launch it and connect your device to the system. Go to its Summary tab and click on “Restore Backup”. From here, you can select a previous iTunes backup to restore. In the same way, you can also restore a backup from iCloud as well.
Use a data recovery tool: If you haven’t taken a backup of your iOS data before, then we recommend using a data recovery tool like Dr.Fone - Data Recovery (iPhone Data Recovery). It can recover the lost and deleted data on your iPhone under different situations. You can get a preview of the recovered data and restore it back to your iOS device in a selective manner.

5.3 iCloud/iTunes backup can't be restored to iPhone after iOS 15 downgrade

It has been observed that after downgrading from iOS 15, we often end up losing the saved data on our iPhone/iPad. To overcome this, we try to restore an existing backup from iCloud or iTunes. Though, if the iOS version is different, then you might get an error stating that the backup can’t be restored. To fix this, you can implement the following suggestions.
Quick Fixes:
Manage phone storage: The problem can happen when there is a lack of free space on your iPhone. Go to Settings > Storage and tap on “Manage Storage”. From here, you can check if you have enough free space for the backup to be restored or not.
Update iTunes: If you are using an outdated version of iTunes that is no longer compatible with your iOS version, then this problem can occur. To resolve this, go to your iTunes menu and check for the available updates.
Delete corrupted backup files: Another reason behind this issue is the clash between different backup files. Just go to the Device Preferences on iTunes and view the existing backups. Get rid of the previous corrupted backup files and retry the restoring process.

iOS 15 Tips & Tricks

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Photos Disappeared after iOS 15 Update

This post explores all possibilities of losing photos after iOS 15 update and collects 5 fundamental solutions to find photos back on your iOS 15. In-depth tutorials provided.

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iOS 15 Encyclopedia

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iOS 15 Update Bricked iPhone

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Downgrade iOS 15

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iOS 15 Stuck on Apple Logo

iPhone or iPad can easily be stuck on the Apple logo after iOS 15 update. Being such a victim? Now you have landed in the right place where 4 quick fixes are here to help you out.

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WhatsApp Problems with iOS 15

WhatsApp problems are the last thing people want to see after iOS 15 update. Here are 7 proven solutions to fix all WhatsApp problems on your iOS 15.

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Worst nightmare when iOS 15 downgrade is stuck at recovery mode, DFU mode, or apple logo. Just follow the battle-tested instructions to get out of such situations.