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| iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides. |
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| Freak Poster ![]() ![]() ![]() ![]() Join Date: Mar 2011
Posts: 381
Member: 1535908 Status: Offline Sonork: 100.1603037 Thanks: 5
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| iphone 4 error 21 i need help how solve error 21 i restore in dfu mode and recovery too but same problem i disconnect battery and change too but same problem help me how solve that problem It is Not Solve in Software Give me hardware solution |
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| Junior Member ![]() ![]() Join Date: Dec 2008 Location: Romania - Bucharest
Posts: 35
Member: 924286 Status: Offline Thanks: 4
Thanked 12 Times in 10 Posts
| Error 21 Custom firmware restore fail (PwnageTool since 4.1). You have to put your device into the DFU mode and not into recovery mode. Device won't boot correctly an stuck at the Apple logo after the error. Press and hold power and home button until it reboots. Error when using Sauriks server for a restore with iOS 5.x in the recovery mode at least on a A5 device. This error can also happen when you try to restore an iPod with hardware dfu. Use iREB r5 to solve this. |
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