Use a SIM ejector tool or paperclip to gently remove the SIM tray. Take out the SIM card and inspect it for damage, such as ...

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 ...

If you can't make a call or if you see an error message that your phone's SIM card is not working, there are several ways to troubleshoot the problem. Ther error ...

You can now use an eSIM with the Samsung Galaxy Note 20 Ultra if you're a T-Mobile subscriber. The carrier has rolled out an update for the model that adds eSIM support to the phone, allowing you to ...