You generally can't use an Apple iPhone on a cell network if it's never been activated with such a network, although once it is activated you can remove your SIM card or simply never connect to the ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

Michael Capozzi claims he has found a way to unlock the iPhone 4S without using any hardware or software. This video shows a demonstration of his method. It has not been confirmed by us or any third ...