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

If you need to know whether or not your phone is carrier unlocked, follow these steps to find the answer.

There are carrier-locked phones and unlocked phones, but what are the differences? We're here to tell you all about unlocked phones.

The bootloader has to be unlocked first to flash or root your device. Hereâ s how you can check if the bootloader on your phone is locked or not.

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.

Knowing whether or not your Samsung phone is network locked can come handy in certain situations. One such situations can be the time when you’re trying to buy a preowned phone. Learn what ...

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