Yuav ua li cas kho iPhone kom khov tom qab iOS 15/14 Hloov tshiab?

Tshuaj 1: Force Restart koj iPhone

Kev quab yuam rov pib dua koj lub iPhone tuaj yeem yog thawj qhov kev daws teeb meem yooj yim tshaj plaws rau koj, yog tias koj tshiab iOS 15/14 freezes tsis muaj laj thawj. Qee zaum cov teeb meem loj tshaj plaws muaj cov kev daws teeb meem yooj yim tshaj plaws. Yog li ua ntej sim txhua yam kev daws teeb meem qib siab, koj tuaj yeem sim yuam kom rov pib koj lub iPhone. Yog tias koj lub iPhone tseem khov tom qab iOS 15/14 hloov tshiab, vam tias qhov no yuav pab koj daws qhov teeb meem.

1. Yog tias koj siv tus qauv qub iPhone uas laus dua iPhone 8, koj tsuas yog yuav tsum nias thiab tuav lub Hwj chim (On/Off) khawm thiab khawm Tsev rau ob peb feeb. Tom qab ntawd koj yuav tsum tso cov nyees khawm thaum koj lub vijtsam iPhone dub. Tom qab ntawd dua koj yuav tsum nias lub Hwj chim (On/Off) khawm thiab tos Apple Logo tshwm. Koj lub xov tooj yuav tsum pib dua ib txwm tam sim no.

1. Yog tias koj siv tus qauv tshiab uas yog iPhone 7 lossis tom qab version, koj tsuas yog yuav tsum nias thiab tuav lub Hwj chim (On/Off) khawm thiab Volume Down khawm kom rov pib koj lub cuab yeej. Koj tuaj yeem ua raws li cov lus qhia ntxaws ntxaws los yuam kom rov pib koj lub iPhone .

Tshuaj 2: Pib dua tag nrho tej chaw ntawm iPhone

Resetting tag nrho cov chaw ntawm iPhone txhais tau tias koj iPhone nqis yuav rov qab mus rau nws daim ntawv tshiab. Koj tus kheej nyiam lossis txhua yam kev teeb tsa uas koj tau hloov pauv yuav tsis muaj ntxiv lawm. Tab sis tag nrho koj cov ntaub ntawv yuav nyob twj ywm. Yog tias koj lub iPhone khaws cia khov rau iOS 15/14 hloov tshiab, koj tuaj yeem sim rov pib dua txhua qhov chaw. Nws kuj pab tau! Nov yog yuav ua li cas kho iPhone khov los ntawm rov pib dua txhua qhov chaw.

1. Ua ntej koj yuav tsum mus rau qhov "Settings" kev xaiv ntawm koj iPhone. Tom qab ntawd mus rau "General", xaiv "Reset". Thaum kawg coj mus rhaub rau ntawm "Reset All Settings" khawm.
2. Tej zaum koj yuav tau nkag mus rau koj tus lej passcode mus txuas ntxiv thiab tom qab koj muab nws, koj lub iPhone chaw yuav tag nrho rov pib dua thiab rov qab mus rau nws lub Hoobkas nqis.

Tshuaj 3: Txhim kho iPhone khov rau iOS 15/14 yam tsis muaj ntaub ntawv poob

Yog tias koj tau hloov kho koj iPhone rau iOS 15/14 thiab lub vijtsam tsis teb, ces qhov no yog rau koj. Yog tias tseem koj qhov teeb meem tshwm sim tom qab sim ua ob txoj hauv kev dhau los, koj tuaj yeem txhim kho iPhone khov rau iOS 15/14 yam tsis muaj cov ntaub ntawv poob nrog kev pab los ntawm Dr.Fone - System Repair . Qhov no amazing software yuav pab tau koj los kho iPhone freezing teeb meem, iPhone daig ntawm kua logo, iPhone bootloop, xiav los yog dawb screen ntawm kev tuag, thiab lwm yam. Nws yog ib tug heev pab tau iOS kho cov cuab yeej. Nov yog qhov koj tuaj yeem siv nws los kho iOS 14 qhov teeb meem khov -

1. Ua ntej koj yuav tsum tau mus download tau thiab nruab Dr.Fone - System Repair ntawm koj lub PC thiab tso nws. Tom qab ntawd, nyem rau ntawm "System Kho" khawm thaum lub ntsiab interface zoo li mus txuas ntxiv mus rau cov kauj ruam tom ntej.

1. Tam sim no txuas koj iPhone rau koj lub PC los ntawm kev siv ib tug USB cable. Xaiv "Standard Hom" mus ua ntej ntawm cov txheej txheem uas yuav khaws cov ntaub ntawv tom qab kho.

1. Tam sim no muab koj lub cuab yeej rau hauv DFU hom los ntawm kev ua raws li cov lus qhia ntawm koj lub vijtsam. Txhawm rau txhim kho koj lub cuab yeej DFU hom yog tsim nyog.

1. fone yuav ntes tau thaum koj lub xov tooj mus rau hauv DFU hom. Tam sim no nplooj ntawv tshiab yuav los nyob rau hauv pem hauv ntej ntawm koj uas yuav nug qee cov ntaub ntawv hais txog koj lub cuab yeej. Muab cov ntaub ntawv yooj yim rub tawm cov firmware hloov tshiab.

1. Tam sim no tos rau qee lub sijhawm tom qab nyem rau ntawm lub pob Download. Nws yuav siv sij hawm me ntsis los rub tawm cov firmware hloov tshiab.
2. Tom qab lub firmware yog downloaded, koj yuav tau txais ib tug interface zoo li cov duab hauv qab no. Tsuas yog nyem rau ntawm "Kho Tam Sim No" khawm kho iPhone sim cov ntaub ntawv rov qab

1. Tom qab cov txheej txheem ua tiav koj lub cuab yeej yuav rov pib dua thiab koj yuav tau txais ib qho interface zoo li no hauv Dr.Fone. Yog tias qhov teeb meem tshwm sim koj tuaj yeem nyem rau ntawm "Tsim Dua" khawm kom pib dua.

Tshuaj 4: Restore iPhone hauv DFU hom nrog iTunes

Muaj ib txwm muaj txoj hauv kev los kho qhov teeb meem iOS thiab txoj hauv kev yog iTunes. Nws yog ib lub cuab tam uas tsis tau tsuas yog muab kev lom zem rau koj, tab sis kuj daws ntau yam teeb meem nrog koj ntaus ntawv iOS no. Yog tias iOS 15/14 kov npo tsis ua haujlwm hauv koj lub iPhone, ces koj tuaj yeem rov qab rau hauv DFU hom nrog kev pab los ntawm iTunes. Nws tsis yog ib qho yooj yim lossis luv luv tab sis yog tias koj ua raws li cov lus qhia ntawm ntu no, koj tuaj yeem yooj yim siv txoj kev no los daws koj qhov teeb meem khov. Tab sis qhov teeb meem loj rau kev siv iTunes los kho koj lub iPhone yog, koj yuav poob tag nrho koj cov ntaub ntawv xov tooj thaum lub sijhawm txheej txheem. Yog li peb xav qhia koj kom thaub qab koj cov ntaub ntawv ua ntej. Ntawm no yog yuav ua li cas -

1. Download tau thiab nruab qhov tseeb version ntawm iTunes rau koj lub computer.
2. Tam sim no txuas koj iPhone rau hauv koj lub PC los ntawm kev siv ib tug USB cable.
3. Tua tawm iTunes thiab muab koj iPhone rau hauv DFU hom. Rau iPhone 6s thiab cov laus tiam, tuav lub Hwj Chim thiab Lub Tsev khawm tib lub sijhawm rau 5 vib nas this, tso lub Hwj chim khawm thiab tuav lub khawm Tsev.
4. Ib yam li ntawd, rau iPhone 8 thiab 8 Plus, tuav lub Hwj chim khawm thiab lub pob Volume Down ua ke rau 5 vib nas this. Tom qab ntawd tso lub hwj chim khawm thiab tuav lub Volume Down khawm.
5. Tam sim no iTunes yuav ntes tau tias koj iPhone yog nyob rau hauv DFU hom. Nyem rau ntawm "OK" khawm thiab mus rau lub ntsiab interface. Tom qab ntawd mus rau "Cov ntsiab lus" xaiv mus rau theem kawg.

1. Thaum kawg nyem rau ntawm "Restore iPhone" khawm thiab nyem "Restore thaum ceeb toom ceeb toom tshwm.

Tshuaj 5: Downgrade iPhone rau iOS 13.7

Yog tias koj tau hloov kho mus rau qhov tseeb version ntawm iOS hauv koj lub iPhone tab sis iOS 14 kov npo tsis teb, ces koj tuaj yeem siv qhov kev daws teeb meem kawg no. Muaj lus hais tias, "Yog koj tsis muaj txoj kev, koj tseem yuav tsum muaj kev cia siab." Tom qab sim tag nrho cov kev daws teeb meem dhau los, ib qho iPhone yuav tsum tau kho yooj yim. Tab sis yog tias tseem muaj teeb meem, ces downgrading koj iOS no rau iOS 13.7 yuav yog qhov kev txiav txim siab tshaj plaws rau tam sim no.

Koj tuaj yeem nrhiav cov lus qhia ntxaws ntxaws ntawm cov ntawv tshaj tawm no kom kawm paub yuav ua li cas txo qis iOS 14 rau iOS 13.7 hauv 2 txoj hauv kev.