When an Android phone shows “Not Registered on Network,” it means the device is unable to communicate with the carrier’s ...

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 ...

If you've ever pulled out your iPhone or Android phone and found it showing SOS mode, no service or searching, you already know how frustrating it can be to figure out whether it's a you problem or if ...

The various symbols and icons on your phone's screen give you glanceable information about which apps have notifications waiting for you. This extends to a few prominent system controls too, like ...

Stephanie Barnes has been writing about technology for almost a decade. She fell in love with tech after building her first PC as a little girl. She later followed that passion to become a ...