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Fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White. This page aims to help users troubleshoot, fix, and seek help for the iPhone 4.

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problem with restore with itunes

i have an jailbraked iphone one day it stopped and i can't open it, when i blug the phone with my pc i see the restore screen and i have tried all possible ways to restore it but it show me (error 21) in restore mode and in dfu mode what's the problem ??

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1 Answer

Error 21 is a battery error or your charging cable is faulty try another cable If that fails change the battery

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