I've got an iPhone 3Gs 32G, and after 5 months from buying it, it has started turning itself off, ESPECIALLY WHEN THE CALL TAKES MORE THAN 2 MINUTES!! By the way, my phone isn't jailbroken, and I HAVE NOT TRIED TO JAILBREAK IT!!!
So, does anybody have had this issue? what did you do to solve it?
So, does anybody have had this issue? what did you do to solve it?