Major cellular carriers — Verizon, AT&T, T-Mobile, Sprint, and others — typically lock their networks to the iPhone you buy from their stores or pay for via an installment plan. What does that really ...

Resetting your iPhone can get rid of system problems, remove unnecessary files and give you a clean, new device. If you're previously had your phone unlocked by a carrier, the unlock should still work ...

To unlock your iPhone from its carrier, you'll likely need to contact your carrier directly to cancel your contract.

Contrary to initial reports, the Sprint version of the iPhone 4S will not come with an unlocked microSIM slot allowing customers to pop in international SIMs; it will be able to roam on international ...

Chalk this up as a win for anyone with a GSM iPhone: AT&T on Friday announced that starting Sunday, the company will allow customers who have fulfilled their two-year contracts to unlock their iPhone ...

NEW YORK — Hackers have figured out how to unleash Apple's iPhone from AT&T's cellular network, but people hoping to make money from the procedure could face legal problems. At least one of the ...