Learn how to check if your phone is unlocked and, if it isn't, how you go about making an unlock request with AT&T, Sprint, T-Mobile and Verizon.

Unlocking your cell phone lets you switch carriers without buying a new device. Consumer Reports explains how to do it.

To check if your Android phone is unlocked, try swapping in another SIM card or test your network settings. If calls work, ...

On AT&T, you need to pay through the installment plan or pay your device off to be able to unlock it. Your device can not be reported as lost or stolen and you also can't have a past-due balance ...

If you have Boost Mobile, you might need to unlock your smartphone, even though locked devices are increasingly a thing of the past. Here’s how to unlock a Boost Mobile phone, and what you need ...

Tired of unlocking your Android phone the normal, boring way? There's an easy way to gain access without entering a PIN by using Smart Lock. Here's how.