After you purchase and use your cellphone for an extended period of time, you can change networks. However, the phone that you're currently using may not be offered on that network. If you wish to ...

Your phone's SIM card allows the device to make calls, send texts, and connect to the internet. The SIM card provides a phone number that identifies your device on the carrier's network, whether it's ...

What does USIM locked mean? This message simply means that your LG phone is currently network locked. How to fix a USIM-locked LG phone? Insert your sim card into the phone and turn your phone on.