Before you tie yourself down for two years or more, make sure there's no hidden surprises in your new contract ...

Tests carried out by research group Policy Tracker, and shared with BBC's Morning Live, found that nearly 40% of the time a ...

If the "your phone is not registered on a network" error has popped up on your Android phone, you know how frustrating it can be. Whether you want to call your family ...

It's not always easy to tell if an Android device is locked to a cellular/wireless provider, but there are methods to retrieve this information. If your device is locked, it will only take SIM cards ...

Unlike our phones, the SIM cards that connect them to a network have barely evolved over the last decade or so. This can sometimes mean you'll have trouble connecting to a network, even when the phone ...