If you’ve ever bought a second-hand iPhone or switched to a new carrier, you may have faced the frustration of a locked device. Carrier-locked iPhones prevent you from using SIM cards from other ...

To unlock your iPhone from its carrier, you'll likely need to contact your carrier directly to cancel your contract. Most carriers will require you to pay off any debt you have to them before they'll ...

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 ...