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Kauj ruam mus Downgrade ntawm iOS no 8 rau 7 iOS no

Faj seeb: Thov txim uas hais rau koj tias koj tsis tau ua raws li cov qhia hauv qab no rau downgrade iOS no 8 rau 7 iOS no muaj ntau, vim tias cov kua muaj neeg xiam txoj kev verifying rau iOS no 7.1.2. Thov txim! Yog hais tias koj muaj upgraded koj iOS no ntaus ntawv rau iOS no 8, tam sim no qhov option tsuas yog kom iOS no 8 rau koj ntaus ntawv. Yog koj iOS no ntaus ntawv tseem ua tau tsis, koj yuav tsum kom iOS no 8.

Tom qab tus nom tso lus muab tawm ntawm 8 iOS no, qhov kuv tau pom neeg yws heev ntawd hloov tshiab 8 iOS no yuav ua rau lawv lub lag iPhone: "thaum kuv hu nws muaj ib tug lag rau mus hu 1.5 sec"; "lub ceeb toom icon tshwm ib tshaj 5 secs rau whatsapp"; "ever vim kuv twb upgraded los iOS8, kuv xav tias txhais tau hais tias qhov internet rau ntawm kuv tus xov tooj tub ceevxwm kiag li". Tab sis yog muaj tej kev kom 8 iOS no, muaj ib txhia tseem hais kom downgrading ntawm 8 iOS no rau iOS no 7. Tam sim no koj tau downgrade iOS no 8 rau 7 iOS no, tiam sis maj nrawm nroos. Ob peb hnub tom qab, kua yuav tsis pub koj downgrade ntawm 8 iOS no rau iOS 7 no lawm. Mus saib cov lus qhia nram qab no los yuav tsum downgrade los ntawm 8 iOS no rau iOS no 7.


Qhov 1. 5 loj tseem ceeb Reasons rau Downgrade iOS no 7 ntawm 8 iOS no

Cov tso 5 iOS no 8 beta versions cov hauv qab no. Nws yog tej uas muaj muaj teeb meem rau 8 iOS no. Piv nrog iOS no 7, 8 iOS no tsis tshua nyob ruaj ntseg thiab tsis ua haujlwm ntseeg nkaws ntawm pab kiag li lawm. Hauv qab no yog vim li cas rau downgrade iOS no 8 7 iOS no mus rau cov neeg tseem ceeb.

  • iOS no 8 yog tsis ruaj tsis khov;
  • Ntau cov apps tawm haujlwm vim yog cov incompatibility uas muaj iOS no 8;
  • Ntaus ntawv, li iPhone 4S, iPad 2, iPad tshiab, thiab kov iPod yog laggy tom qab upgrading los iOS no 8;
  • iOS no 8 tshev roj teeb lub neej;
  • Muaj ntau ntau cov yoov rau iOS no 8;

Qhov 2. Tej yam uas yuav tsum ua rau Downgrade iOS no 8 rau 7 iOS no

Ua ntej downgrading iOS no 8 rau 7 iOS no, koj yuav tsum tau backup tau ntau tej ntaub ntawv uas zoo ntawm koj ntaus ntawv thaum cov hluav taws. Yeej, ntau 2 yooj yim txoj kev los backup cov ntaub ntawv los ntawm iOS no li: siv iTunes rau ntaub ntawv backup thiab siv cov iCloud los backup cov ntaub ntawv.

Tseem ceeb: Backup ntawv koj twb tsim tau according cov kauj ruam hauv qab no yuav siv tsis tau los rau koj iOS no 7 ntaus ntawv tom qab lub downgrading. Koj paub tias koj tsis tau restore cov ntaub ntawv los ntawm tus thaub qab 8 iOS no rau tus iOS no 7 ntaus ntawv. Yog vim li cas ua tus thaub qab yog tias downgrading ntawm 8 iOS no rau iOS 7 no yuav tsis tau koj cov ntaub ntawv thiab koj sim tau li hauv Tshooj 4 kom tau cov ntaub ntawv rov qab ntawm iCloud los sis iTunes backup ntawv.

1) siv iTunes rau ntaub backup

Siv iTunes rau cov ntaub ntawv no backup yog zoo nkauj yooj yim.
Xa koj iPhone, iPad los yog iPod so mus rau koj lub computer ntawm ib USB cable > tso iTunes > nyem rau ntawm koj ntaus ntawv saum iTunes > nyem 'Rov mus tam sim no'.

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2) cov ntaub ntawv thaub qab mus iCloud

Qhov nyuaj backup tej ntaub ntawv ua ntej koj downgrade ntawm 8 iOS no rau iOS 7 no yog ua rau nws ntawm iCloud. Cia li ua rau koj iPhone, iPad los yog iPod so.
Xa koj ntaus ntawv mus rau Wi-nkaus thiab coj mus rhaub Settings > iCloud > cia & thaub qab. Nyob rau sab tshiab, scroll cia kom coj mus rhaub qhov option 'Rov mus tam sim no'.

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Qhov 3. Cov kauj ruam rau Downgrade iOS no 8 rau 7 iOS no

Kauj ruam 1. Download tau lub zoo firmware (ntaub ntawv IPSW) rau iOS no 7 raws li koj iOS no dais qauv rau koj lub computer. Txoj cai tam sim no, koj yuav downgrade iOS no 8 rau qhov hnub 7 iOS no version, iOS no 7.1.2. Nws yuav muab koj ob peb feeb tas ces txoj. Cia li ua siab ntev.

Kauj ruam 2. Download tau thiab nruab qhov tseeb iTunes (version 11.3.1 tam sim no) koj lub computer. Yog hais tias koj twb ntsia iTunes yav tas los koj lub computer, nyem qhov 'tshev tshiab' (rau cov tseem nyob iTunes ntawv qhia zaub mov rau tus ribbon, ntawm qhov rais PC, Mac tseem nyob rau hauv qhov kev pab ntawv qhia zaub mov).

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Kauj ruam 3. Tua tawm iTunes thiab xa koj iPhone, iPad los yog iPod so mus rau koj lub computer ntawm ib USB cable. Koj ntaus ntawv yuav tshwm sim li ntawm iTunes. Yog koj ntaus tsis tuaj iTunes, Updated 10/22/07/f.Triplett nws. Ndliv koj ntaus ntawv thiab next mus rau txoj kev tab.
Nyob rau sab xis, tuav cia rau cov ua haujlwm (xaiv qhov tseem ceeb ntawm Mac) thiab nias 'Hloov'. Nyob rau hauv lub qhov rai pop-up, nrhiav thiab xaiv cov ntaub ntawv .ipsw koj twb downloaded rau koj lub computer nyob rau theem 1. Nyem 'Hloov' dua kom paub meej tias qhov txiav txim. Tom qab ntawd iTunes yuav qhia peb txog cov hloov tshiab nrog kua thiab pib txoj kev downgrading. Thaum txoj kev downgrading tas, koj yuav saib tau lub teeb qhov tshiab tshwm rau hauv iTunes.

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Qhov 4. Cov ntaub ntawv rov qab mus ntaus tau tom qab Downgrading iOS no 8 rau 7 iOS no

Tom qab downgrading los ntawm 8 iOS no rau iOS 7 no, koj yuav pom cov ntaub ntawv no rau koj ntaus ntawv yuav ploj. Tau ib co kev ploj ntaub ntawv sab nraud, xws li phau ntawv lus, muaj mob, duab, hu xov tooj rau yav dhau los, sau ntawv, lwm yam, koj nyob nraum thiab siv Wondershare Dr.Fone rau iOS(iPhone Data Recovery) extract cov ntaub ntawv los ntawm iTunes los iCloud backup cov ntaub ntawv koj twb tsim nws nyob rau hauv Part 2. Ntawm no yog qhov yoojyim tau thaub qab cov ntaub ntawv los ntawm Wondershare Dr.Fone rau iOS no.

Tau cov ntaub ntawv rov qab los ntawm iTunes ntaub ntawv backup

Kauj ruam 1. Tso Wondershare Dr.Fone rau iOS no thiab nias qhov option 'Rov qab los ntawm iTunes ntaub ntawv backup' nyob saum.
Step2. Xaiv iTunes backup ntawv koj muaj tsim nyob rau hauv Part 2 hnub ua ntej nws yuav tsim thiab download tau nws.
Kauj ruam 3. Nyem 'Pib luam theej duab' rau extract cov ntaub ntawv los ntawm iTunes backup ntawv. Thiab ces koj yuav kos tau hom ntaub ntawv rau preview tag nrho cov ntaub ntawv nyob hauv nws. Tom qab ntawd, koj yuav tsum xaiv cov ntaub ntawv uas tsis muaj xav thiab nyem 'Zoo'. Ziag no nws muaj tej phau ntawv, hu thiab sau ntawv yuav muab rov qab rau koj iPhone ncaj qha. Ntawm lwm cov ntaub ntawv, hais tias, cov duab los yog tej yeeb yaj duab, koj yuav tsum rov qab mus rau koj lub computer.

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Tau cov ntaub ntawv rov qab los ntawm iCloud ntaub ntawv backup

Kauj ruam 1. Tso Wondershare Dr.Fone rau iOS no thiab nias qhov option 'Rov qab los ntawm iCloud ntaub ntawv backup' nyob saum.
Step2. Nyob rau hauv lub qhov rai tshiab, kos maub koj iCloud ID. Tsis txhob txhawj txog qhov kev ruaj ntseg ntawm koj iCloud ID. Kev pab cuam no yeej tsis yog siv ib yam ntawm koj tej ntaub ntawv.
Kauj ruam 3. Thaum txhua tus iCloud backup ntaub ntawv yog dlhau theem teev tseg rau hauv lub qhov rais, xaiv qhov tsis ntev los no koj twb phwj mus download tau. Tom qab koj txhaj ces khawm, nyob pop-up, xaiv cov ntaub ntawv koj xav tau thiab yuav cov daus mua. Nws tej yam koj sij hawm los xaiv seb cov ntaub ntawv mus download tau.
Kauj ruam 4. Thaum ntawm ces tas, nyem 'Luam theej duab' rau extract cov ntaub ntawv los ntawm cov iCloud backup ntawv. Thiab ces koj yuav nias tau ua ntaub ntawv thov seb mus preview tag nrho cov ntaub ntawv nyob hauv nws. Xaiv cov ntaub ntawv koj xav tau thiab nyem 'Zoo'. Tag nrho cov ntaub ntawv kuj yuav zoo tu qab tso rau koj lub computer. Tej phau ntawv, hu thiab sau ntawv yuav tau kuj rua rau koj iOS no ntaus ncaj nraim.

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