my iphone 4 have gone totally black ?
my iphone 4 have gone totally black and i fixed with compression of the 2 main buttons 15 secs !!!!!!what does that means???
iPhone 4, iOS 4.2
More than likely it means nothing. Rarely, if the OS doesn't free up memory, the iOS will crash...similar to a computer crash. Don't worry about it, as it most likely won't happen again.