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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 ...

Do you get the error message “No SIM Card Detected” or “No SIM Card Installed” after inserting a SIM card into your phone? This problem often occurs when you ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

If you've just got your hands on a shiny new Sim card, congratulations. Switching your Sim (the chip that dictates your allowance) can unlock huge savings. Now comes the crucial step of activating it ...

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

Whether you're traveling overseas, or want to combine a personal and work phone number into one device, the OnePlus 3 makes it really easy. Jason Cipriani is based out of beautiful Colorado and has ...