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.
If you have a SIM card PIN enabled on your phone to access data on the SIM card, but you repeatedly enter it incorrectly, the SIM card may lock you out from further attempts. You can reset the SIM ...
To unlock your iPhone from its carrier, you'll likely need to contact your carrier directly to cancel your contract.