Install a SIM card in your phone to enable full device capabilities, and make sure to power it down before proceeding. Use a SIM card removal tool or a sewing needle to open the SIM card tray, and ...

Are you trying to switch phones or carriers? You might need to swap SIM cards for that, and we can understand how confusing this process can be if you haven’t done it before. Today we’ll show you ...

Seeing a SIM Not Provisioned error message on your Android phone can be extremely annoying. Here's what's causing it, and how ...

Sareena was a senior editor for CNET covering the mobile beat, including device reviews. She is a seasoned multimedia journalist with more than a decade's worth of experience producing stories for ...

When a smartphone failed to detect the SIM card or shows a SIM card error, network-related services won’t be available. Hence you won’t be able to send and receive text/SMS messages. Incoming and ...