Unlocking an iPhone or other iOS device can be a game-changer for those looking to gain freedom in switching carriers, ...

Generally, the only reason you'll ever need to know your IMEI number is if you want to unlock your iPhone from a specific carrier to use it with a different service provider. In that case ...

Aside from its security benefits, the IMEI number is helpful for unlocking your iPhone and switching carriers. It is also vital when purchasing a used iPhone, as you can verify the device's ...

Once you meet the requirements (detailed below), you can head to AT&T's unlock portal. You'll be prompted for your phone number and your phone's IMEI number, and then AT&T will unlock your device.