Yuav ua li cas koj thiaj daws tau iOS no 15 upgrade Stuck ntawm Apple Logo

Part 2: Solutions rau lub iOS no Upgrade Stuck teeb meem

Tshuaj 1: Forcefully Restart koj iPhone

Txoj hauv kev yooj yim tshaj plaws los kho qhov teeb meem hloov kho iOS no daig yog los ntawm kev ua kom rov pib dua ntawm koj lub cuab yeej. Koj tuaj yeem ua qhov no los ntawm kev siv qee qhov kev sib txuas tseem ceeb uas yuav rov pib dua koj lub zog ntawm iPhone. Yog tias koj muaj hmoo, koj lub xov tooj yuav rov pib dua hauv hom ruaj khov thaum khiav ntawm iOS 15.

Rau iPhone 6s

Hauv qhov no, tsuas yog nias lub zog + Cov yuam sij hauv tsev tib lub sijhawm. Nco ntsoov tias koj tseem nias tus yuam sij ib txhij rau tsawg kawg 10 vib nas this thiab tos li koj lub xov tooj yuav rov pib dua.

Rau iPhone 7 lossis 7 Plus

Hloov chaw khawm hauv tsev, ntev-nias lub Volume Down lub Hwj chim Key nyob rau tib lub sij hawm tsawg kawg yog 10 vib nas this. Cia mus ib zaug koj lub cuab yeej yuav rov pib dua ib txwm.

Rau iPhone 8 thiab tom qab versions

Rau qhov no, koj yuav tsum ceev-nias lub Volume Up khawm ua ntej thiab tso nws. Tam sim no, ceev-nias lub Volume Down khawm, thiab sai li sai tau thaum koj tso nws, nias lub khawm Sab. Tuav tus yuam sij sab kom tsawg kawg 10 vib nas this thiab tos thaum koj lub xov tooj rov pib dua.

Tshuaj 2: Kho iOS Upgrade Stuck Teeb meem nrog Dr.Fone – System Kho

Yog hais tias koj ntaus ntawv iOS no malfunctioning los yog lub iCloud tsav upgrading yog daig rau iOS no 15, ces koj yuav sim Dr.Fone – System Kho . Ib feem ntawm cov cuab yeej Dr.Fone, nws tuaj yeem daws txhua yam kev ua yuam kev thiab teeb meem hauv ib qho khoom siv iOS. Piv txwv li, nws tuaj yeem kho iOS txhim kho daig, lub vijtsam dub ntawm kev tuag, cov cuab yeej bricked, thiab lwm yam teeb meem ntsig txog firmware.

Koj tuaj yeem siv Dr.Fone – System Kho kom downgrade koj iPhone mus rau yav dhau los ruaj khov tso tawm ntawm iOS no thiab. Daim ntawv thov no yooj yim heev rau siv thiab yuav tsis xav tau jailbroken nkag lossis ua mob rau koj lub cuab yeej thaum kho nws. Yuav kom kawm paub yuav ua li cas kho lub iOS no upgrade daig ntawm lub Apple logo, cov kauj ruam hauv qab no tuaj yeem ua.

Kauj ruam 1: Txuas koj malfunctioning iPhone

Txhawm rau pib, cia li tso Dr.Fone toolkit ntawm koj lub cev thiab xaiv "System Repair" module los ntawm nws lub tsev.

Tam sim no, siv ib tug ua hauj lwm cable, cia li txuas koj iPhone mus rau lub system thiab mus rau lub iOS no Kho seem. Txij li thaum koj tsuas yog xav kho qhov teeb meem hloov kho iOS no daig, koj tuaj yeem mus nrog nws hom qauv uas yuav khaws koj cov ntaub ntawv iPhone.

Kauj ruam 2: Sau koj ntaus ntawv cov ntsiab lus thiab download tau iOS firmware

Txhawm rau txuas ntxiv, koj tsuas yog yuav tsum nkag mus rau cov ntsiab lus hais txog lub cuab yeej qauv ntawm koj lub iPhone thiab iOS version koj xav nruab. Yog hais tias koj xav downgrade koj iPhone, ces nkag mus rau yav dhau los ruaj khov version ntawm iOS no thiab nias rau ntawm lub "Start" khawm.

Thaum koj nyem rau ntawm "Start" khawm, daim ntawv thov yuav cia li rub tawm cov firmware cuam tshuam thiab txheeb xyuas koj lub cuab yeej. Txij li thaum nws yuav siv sij hawm ib pliag, xyuas kom meej tias koj lub cuab yeej txuas nrog lub kaw lus thiab tswj kev sib txuas hauv internet ruaj khov.

Kauj ruam 3: Txhim kho koj iPhone thiab pib dua nws

Tom qab thaum lub firmware hloov tshiab tau ua tiav, daim ntawv thov yuav qhia rau koj paub. Tam sim no koj tuaj yeem nyem rau ntawm "Kho Tam Sim No" khawm thiab tos li nws yuav kho koj iPhone.

Thaum kawg, thaum lub iOS txawj tej yam ntxiv daig teeb meem tau raug kho, koj ntaus ntawv yuav tsum restarted nyob rau hauv lub qub hom. Koj tsuas tuaj yeem tshem nws ruaj ntseg thiab siv nws li koj nyiam.

Nyob rau hauv rooj plaub tus qauv hom ntawm daim ntawv thov tsis tuaj yeem kho qhov hloov kho iOS no daig ntawm qhov kev nce qib qhov teeb meem, ces xav txog kev siv nws cov qib siab. Thaum cov txiaj ntsig tau zoo tshaj plaws yuav zoo dua, nws tseem yuav tshem tawm cov ntaub ntawv uas twb muaj lawm ntawm koj lub iPhone.

Tshuaj 3: khau raj koj iPhone nyob rau hauv hom rov qab thiab Restore nws

Los ntawm lub neej ntawd, tag nrho cov iOS no tuaj yeem raug booted hauv hom rov qab los ntawm kev siv cov kev sib txuas ua ke kom raug. Txhawm rau ua qhov no, koj tuaj yeem txuas koj iPhone mus rau qhov hloov tshiab ntawm iTunes. Daim ntawv thov yuav pom tau tias koj lub cuab yeej nyob hauv hom rov qab thiab yuav cia koj rov qab los. Koj yuav tsum paub tias cov txheej txheem no los kho iOS upgrade daig yuav lwv koj lub xov tooj cov ntaub ntawv uas twb muaj lawm. Yog tias koj npaj txhij los ua qhov kev pheej hmoo, tom qab ntawd siv cov kev sib txuas tseem ceeb no los kho qhov hloov kho iOS no daig ntawm Apple logo teeb meem.

Rau iPhone 6s

Tua tawm iTunes ntawm koj lub computer thiab thaum txuas koj iPhone, nias lub Tsev + Fais fab tuav ntev. Nws yuav ntes tus ntaus ntawv txuas thiab yuav tso saib iTunes icon ntawm qhov screen.

Rau iPhone 7 thiab 7 Plus

Tsuas ntev nias lub hwj chim thiab Volume Down yuam sij ib txhij thiab txuas koj lub xov tooj mus rau lub kaw lus. Tua tawm iTunes ntawm nws thiab tos raws li nws cov cim yuav tshwm rau ntawm qhov screen.

Rau iPhone 8 thiab cov qauv tshiab

Ua ntej, txuas koj iPhone mus rau lub kaw lus thiab tso ib qho tshiab iTunes app rau nws. Tam sim no, ceev-nias lub Volume Up khawm, thiab thaum koj tso nws, ceev-nias lub Volume Down key. Thaum kawg, nias thiab tuav lub Side key thiab cia mus ib zaug lub cim iTunes yuav tshwm sim.

Tom qab ntawd, iTunes yuav cia li kuaj pom qhov teeb meem nrog koj lub cuab yeej thiab yuav tso saib cov lus qhia hauv qab no. Koj tuaj yeem nyem rau ntawm "Restore" khawm thiab tos ib pliag thaum nws yuav rov pib dua koj lub cuab yeej rau lub Hoobkas teeb tsa thiab rov pib dua hauv hom qub.

Tshuaj 4: Restore mus rau ib tug Formal iOS Version nrog iTunes

Thaum kawg, koj tuaj yeem nqa cov kev pab ntawm iTunes los txhim kho lub iOS no txhim kho daig ntawm Apple logo teeb meem. Cov txheej txheem yuav nyuaj me ntsis raws li koj thawj zaug yuav tsum rub tawm cov ntaub ntawv IPSW ntawm iOS no koj xav kom downgrade rau. Tsis tas li ntawd, qhov no yuav ua rau qee qhov kev hloov pauv loj rau koj lub iPhone thiab yuav tsum tsuas yog suav tias yog koj qhov chaw kawg. Yuav kom kawm paub yuav ua li cas kho lub iOS txawj tej yam ntxiv daig ntawm lub kua logo siv iTunes, cov kauj ruam hauv qab no yuav ua tau.

Kauj ruam 1: Download tau cov ntaub ntawv IPSW

Koj yuav tsum fist manually rub tawm IPSW cov ntaub ntawv ntawm cov kev txhawb nqa iOS no koj xav kom downgrade koj lub cuab yeej rau. Rau qhov no, koj tuaj yeem mus rau ipsw.me lossis lwm yam kev pabcuam thib peb.

Kauj ruam 2: Txuas koj iPhone rau iTunes

Tam sim no, cia li txuas koj iPhone rau koj lub cev thiab tso iTunes rau nws. Xaiv cov kev cob cog rua iPhone thiab mus rau nws cov ntsiab lus seem. Tam sim no, nias tus yuam sij ua haujlwm thaum nyem rau ntawm "Hloov Kho Tam Sim No" lossis "Kuaj rau Kev Hloov Kho" khawm.

Kauj ruam 3: Thauj cov ntaub ntawv IPSW

Es tsis txhob nrhiav kev hloov tshiab ntawm lub server, qhov no yuav cia koj thauj cov ntaub ntawv IPSW ntawm koj xaiv. Raws li lub qhov rais browser yuav qhib, koj tuaj yeem manually mus rau qhov chaw uas cov ntaub ntawv IPSW tau txais kev cawmdim. Thaum koj thauj nws, koj tuaj yeem pib cov txheej txheem rau nruab nws ntawm lub cuab yeej txuas nrog iOS.

Tam sim no thaum koj paub tsis yog ib qho, tab sis plaub txoj hauv kev los kho qhov teeb meem kho iOS no, koj tuaj yeem kho qhov teeb meem no yooj yim. Raws li koj tuaj yeem pom, tau txais kev hloov kho iOS no daig ntawm qhov kev nce qib lossis Apple logo yog qhov zoo nkauj heev. Txawm li cas los xij, yog tias koj muaj cov cuab yeej zoo xws li Dr.Fone – System Repair (iOS), ces koj tuaj yeem kho tau yooj yim. Txij li thaum daim ntawv thov tuaj yeem daws txhua yam ntawm lwm yam teeb meem ntsig txog iPhone, koj tuaj yeem txiav txim siab txhim kho nws ntawm koj lub cev. Ua li no, koj tuaj yeem kho qhov teeb meem tsis xav tau tam sim thiab ua kom koj lub cuab yeej ruaj ntseg tib lub sijhawm.