Imagine trying to call someone urgently from your Android device only to be greeted by the error message "SIM card not detected." This error means that your device is ...

New findings suggest that Android devices may soon be able to include your SIM in a device backup, potentially making it that much easier to swap phones. Device backups currently save things such as ...

rSIM is a new SIM tech that lets you pack a backup SIM in your SIM card. It claims to test your device’s connection directly from the SIM itself and switches providers automatically during disruptions ...

Whether you've recently added a new line to your Android phone for faster internet or gotten a new work SIM, a "SIM Not Provisioned" error message can disrupt your ...

Users report that dual-SIM RCS features have been spotted in Google Messages with the latest beta update. The feature has been spotted twice before, but Google stopped the rollout for reasons unknown.

Messaging is still one of the best ways to communicate with your friends and family. To send an SMS, all you need is a SIM card with an active messaging plan installed on your smartphone. But what if ...