When you purchase an iPhone 4, your cellular provider will give you a new micro SIM card to use with your new iPhone. Although the cellular provider will automatically activate the SIM card for use on ...
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 ...
Activate your iPhone back to AT&T if the SIM card you insert after you install blackra1n onto the device doesn't work properly. Blackra1n is a third-party program that "jailbreaks" SIM-bearing iPhones ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback