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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 ...

Small, secure, and energy-efficient–the iSIM is the next generation of the SIM card. But what exactly is behind this ...

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 ...