I update my iphone 3G Firmware 4.2.1 and finish error 1015 I need help
I found the solution to the problem error 1015 in iphone 3G IT is Very easy 😉
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Unauthorized modification of iOS
http://support.apple.com/kb/HT3743
ERROR 1015...
This Error Code is indicative of the Device being jailbroken / Hacked...
Sorry... But...
The discussion of Jailbroken Devices is against the Terms of Use of this Forum.
You will need to look elsewhere.