HT201954: Unauthorized modification of iOS can cause security vulnerabilities, instability, shortened battery life, and other issues

Learn about Unauthorized modification of iOS can cause security vulnerabilities, instability, shortened battery life, and other issues
ChaudharyShakeel

Q: when i down load ios4.2 then after iphone firmware inslall an unknown errer 1015 shows

when i restore my Iphone in ios 4.2 last shows that could not restore ur phone unknown error 1015 ! plz help me

iPhone 3G, iOS 4.2

Posted on Dec 13, 2012 5:30 PM