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If you have followed these steps you should be able to fix iTunes Error 21 while restoring your iPhone / iPod touch. This error 21 may appear during the installation of a program, while Apple Inc.-related software programs (eg iTunes).
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Jailbreak iPhone 4, 3GS iOS 4.2.1 Untethered with. – How to jailbreak iPhone 4, iPhone 3Gs iOS 4.2.1 untethered with Greenpois0n RC4. Greenpois0n Jailbreak iPhone 4 untethered iOS 4.2.1, Jailbreak iPhone 3GS iOS 4.2.1.
Hey guys i have Iphone 3gs I get an error says "iphone could not be restored unknown error 21" I tried Rejailbreak it via Redsnow but i couldn't.
Can "unknown error 21" be fixed ?? (iphone 4) | Official Apple. – Jun 20, 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.
iH8sn0w had released Sn0wbreeze, which is the Windows version of the PwnageTool for iPhone 3GS, iPhone 3G and iPod Touch. iH8sn0w has just released Sn0wbreeze 2.0.2 to fix some of the hacktivation problems and error 17 and.
I have an iphone 3gs stuck in recovery mode, it is recogonized by itunes starts doing its thing then when time to add software back I get an error 21 message. Im at my wits end so does Semi Restore replace my software?
Jun 27, 2014 · 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.
Close iTunes. reopen iTunes. 7. Restore to your custom firmware. 3GS 16Gb and iPad 64Gb 3G I’m having the exact same problems. But in my case, the Iphone gets stuck while the Windows computer tries to restore it. All other things.
Oct 16, 2012. How to fix iTunes Error 3194, Error 21 and Error 1013. I finally found a. So unless you're trying to restore your iOS device to the latest version of iOS this guide may not be for you. is dis working for upgrading 3gs to 5xx ios.
SO, my 3GS (16 gb) turned off last night and now it does not respond. it was a charging failure issue. It opened in the IOS restore screen and the battery was 100%. The thing is that when I try to connect it with my computer (a PC, not a.
When trying to restore your iPhone or iPod touch in iTunes with iPhone 3.1 firmware, you may see the following message followed by an error code 1601, 1602, 16xx or 21: The iPhone "[your iPhone]" could not be restored. An.
I just got a new iPhone 4 and am excited to get it working, but when I try to use a “Restore” from a previous backup of my iPhone 3GS, I get an error that the software on the new phone is too old. How can the new phone have software.
Aug 05, 2013 · This is a tutorial on how to put your iPhone in DFU mode. DFU mode can be used for multiple things including upgrading firmware, downgrading firmware, and.