Xav downgrade los ntawm iOS 11.2 rau 11.1.2? Nws yog ua tau yam tsis muaj ntaub ntawv poob

Software downgrade xaiv tau dhau los txwv ntau dua ntawm Apple hauv xyoo tas los no. Qhov no kuj yog ib qho ntawm cov laj thawj tseem ceeb vim li cas qee cov neeg siv ntawm cov tshuab qub tseem tab tom tuav ntawm kev kho dua tshiab rau iOS 11. Thaum koj ua tiav, tsis muaj rov qab mus. Qhov tseeb version ntawm iOS 11.2, uas Apple tso tawm lub lim tiam dhau los, tseem tso cai rau ib nrab rov qab. Nws tsis tuaj yeem rov qab mus rau txoj kev loj, tab sis yog tias koj tsis xis nyob nrog 11.2 rau qee qhov laj thawj, nws muaj txoj hauv kev rov qab mus rau 11.1.2 yam tsis tau poob cov ntaub ntawv hauv koj lub xov tooj / ntsiav tshuaj.

Ua ntej, koj yuav tsum xyuas seb Apple puas tseem kos npe rau cov laus versions ntawm iOS. Koj ua qhov no rau lub vev xaib no, tom qab xaiv cov khoom tsim nyog iOS no. Thaum lub sijhawm sau ntawv, ob qhov dhau los ntawm iOS tau kos npe, piv txwv li 11.1.2 thiab 11.1.1. Nws cia siab tias nyob rau hnub no (tag kis ntawm qhov tseeb) Apple yuav tsum tsis txhob kos npe rau cov qauv no thiab rollback yuav tsis ua tau ntxiv lawm. Yog tias koj xav rov qab mus rau ib qho ntawm cov laus versions, ua raws li cov lus qhia hauv qab no:

1. Tua tawm Nrhiav Kuv iPhone ntawm koj lub cuab yeej (Chaw, iCloud, Nrhiav Kuv iPhone)
2. Download tau qhov xav tau firmware version los ntawm qhov txuas tau muab los saum toj no (yog tias koj tsis ntseeg nws, tag nrho cov tsev qiv ntawv kuj muaj nyob hauv lub vev xaib. iphonehacks)
3. Txuas koj ntaus ntawv mus rau koj lub computer thiab iTunes
4. Nyob rau hauv iTunes, xaiv iOS no ntaus ntawv, cov ntsiab lus submenu. Tuav Alt / Option (los yog ua haujlwm hauv Windows) thiab nyem Kos rau Hloov tshiab
5. Xaiv lub pob software koj downloaded hauv kauj ruam #2
6. iTunes yuav qhia rau koj tias nws yuav hloov kho (hauv qhov no rollback) lub firmware thiab xyuas nws siv tau
7. Nyem qhov hloov tshiab
8. Ua tiav

Txoj kev no raug txheeb xyuas los ntawm ntau tus neeg siv, ob qho tib si los ntawm cov rooj sib tham hauv zej zog thiab los ntawm reddit. Koj yuav tsum tsis txhob poob ib qho ntawm koj cov ntaub ntawv li no, tab sis koj ua li ntawd ntawm koj tus kheej txaus ntshai. Ntau yam tuaj yeem tshwm sim thaum lub sijhawm txheej txheem no uas yuav tshwm sim raws li cov yam ntxwv tshwj xeeb uas tsis tuaj yeem rov ua dua los ntawm lwm tus neeg siv.

Source: iphonehacks