How to Fix Error 21 - wikifixes.com
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Can "unknown error 21" be fixed ?? (iphone 4) | Official Apple ...
https://discussions.apple.com/thread/5118033?tstart=0
20 Jun 2013 - I plugged it into my computer and when it began to restore it stopped and the unknown error 21 window popped up. This has occured on 3 ...How to fix 'iPhone cannot be restored. An unknown error (21) - YouTube
https://www.youtube.com/watch?v=_jV6su4qJEw
4 Dec 2012 - Uploaded by Fazlen
the iphone could not be restored an unknown error occurred 50 how i fix this i .... If anyone has the error code ...iPhone4 won't restore and shows Error 21 - iPhone 4 - iFixit
https://www.ifixit.com/Answers/View/.../iPhone4+won't+restore+and+shows+Error+21
An unknown error occurred (21)." I tried to disable my computer security, but it did the same thing. Does anyone know what else I could do to fix it? Please help!7 Ways to Solve iPhone Error 21 while Restoring iPhone - Dr.Fone
https://drfone.wondershare.com/iphone-problems/iphone-error-21.html
20 Jul 2016 - These errors(like iTunes error 21,iPhone error 21) generally occur once security software package interferes with the restore and update ...Fix iPhone Restore Error 21 - Survival Guide
survivalguide4idiots.com/fix-iphone-restore-error-21-how-to.html
9 Jun 2012 - Error 21 goes like this ” The iPhone could not be restored. An unknown error occurred (21).” Go to Apple Support forum to look for a resolution ...What iTunes Error 21 Mean & How to Fix it During Firmware Restore?
jaxov.com/2011/03/how-to-fix-itunes-error-21-during-custom-ipsw-restore/
During the custom IPSW restore process, if you encounter iTunes Error 21, it means that you are trying to restore custom IPSW using the recovery mode. To fixiphone restore impossible. Error 21 | Mac Forums
www.mac-forums.com/showthread.php?t=275081
17 May 2012 - An unknown error occurred (21)' It's a completely unhacked/jailbroken iphone, & I have the latest version of itunes (10.6.1), & run the latest OS ...How to do with iPhone Error 21? | Witrigs Blog - Witrigs.com
www.witrigs.com/blog/how-to-do-with-iphone-error-21/
8 Sep 2015 - It will get all the way to “Preparing iPhone for restore” then will say “The iPhone 'And it's fixed!: [Solved] iTunes Error 3194, Error 21 and Error 1013
anditsfixed.blogspot.com/2012/10/solved-itunes-error-3194-error-21-and.html
16 Oct 2012 - In Windows the error is even less descriptive: “The iPhone “iPhone” could not be restored. An unknown error occurred (3194). “The iPhone ...itunes - Iphone 5 can't restore even when using DFU mode - Ask ...
apple.stackexchange.com/questions/.../iphone-5-cant-restore-even-when-using-dfu-m...
15 Dec 2012 - An Unknown error occurred(21)" something error. The process repeats every time i try to restore in DFU mode. I've tried almost everything ...