Txuas koj iPhone lossis iPad khiav qhov tshiab ntawm iOS no rau koj lub PC lossis Mac, thiab xaiv nws nyob rau hauv lub dropdown nyob rau sab saum toj-sab laug ntawm iTunes.
Nyem Restore iPhone thaum tuav lub Option key (Mac) lossis Shift key (Windows) thiab nrhiav cov ntaub ntawv IPSW uas koj rub tawm ua ntej.
Kuv puas tuaj yeem downgrade rau iOS 11?
Nws yog ib txwm muaj ntawm Apple kom tsis txhob kos npe rau cov laus versions ntawm iOS ob peb lub lis piam tom qab lwm qhov kev tso tawm. Qhov no yog qhov tshwm sim ntawm no, yog li nws tsis tuaj yeem txo qis ntawm iOS 12 mus rau iOS 11. Yog tias koj muaj teeb meem nrog iOS 12.0.1 tshwj xeeb, txawm li cas los xij, koj tseem tuaj yeem txo qis rau iOS 12 yam tsis muaj teeb meem.
Kuv puas tuaj yeem rov qab mus rau qhov qub version ntawm iOS?
Apple feem ntau nres kos npe rau yav dhau los version ntawm iOS ob peb hnub tom qab ib qho tshiab tso tawm. Qhov no txhais tau hais tias nws yog feem ntau ua tau kom downgrade rov qab mus rau koj yav dhau los version ntawm iOS no ob peb hnub tom qab koj txawj tej yam ntxiv - piv txwv li qhov tseeb version twb nyuam qhuav tso tawm thiab koj upgraded rau nws sai sai.
Yuav ua li cas kuv downgrade rau iOS 11 yam tsis muaj lub computer?
Txawm li cas los xij, koj tseem tuaj yeem txo qis rau iOS 11 yam tsis muaj kev thaub qab, tsuas yog koj yuav tau pib nrog lub slate huv si.
- Kauj ruam 1 Disable 'Nrhiav Kuv iPhone'
- Kauj ruam 2 Download tau cov ntaub ntawv IPSW rau koj iPhone.
- Kauj ruam 3 Txuas koj iPhone rau iTunes.
- Kauj ruam 4 Nruab iOS 11.4.1 rau koj iPhone.
- Kauj ruam 5 Restore koj iPhone los ntawm ib tug thaub qab.
Yuav ua li cas kuv downgrade rau yav dhau los iOS no?
Txhawm rau downgrade iOS 12 rau iOS 11.4.1 koj yuav tsum rub tawm IPSW kom raug. IPSW.me
- Mus ntsib IPSW.me thiab xaiv koj lub cuab yeej.
- Koj yuav raug coj mus rau cov npe ntawm iOS versions Apple tseem kos npe. Nyem rau ntawm version 11.4.1.
- Download tau thiab txuag lub software rau koj lub computer desktop lossis lwm qhov chaw uas koj tuaj yeem nrhiav tau yooj yim.
Kuv puas tuaj yeem downgrade los ntawm iOS 12?
iOS 12 thaub qab yuav tsis rov qab los rau koj lub cuab yeej thaum nws khiav iOS 11. Yog tias koj downgrade yam tsis muaj thaub qab, npaj pib los ntawm kos. Yuav pib nrog lub downgrade, backup koj iOS no ntaus ntawv mus rau iTunes los yog iCloud.
Duab hauv kab lus los ntawm "Wikipedia" https://en.wikipedia.org/wiki/Safavid_dynasty