A ajyap New member Jul 28, 2010 #1 I have an IPhone 3GS that is unlocked and jailbroken.running on OS3.1.2. I want to upgrade to OS4.0. How can I do that?
I have an IPhone 3GS that is unlocked and jailbroken.running on OS3.1.2. I want to upgrade to OS4.0. How can I do that?