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 ...

We previously reported that a tiny handful of iPhones shipped without SIM cards, while significantly more units have generated the error message "No SIM card ...

If you have a new device or are changing the SIM in your current device, you will need to activate your SKY Mobile SIM to receive mobile service. Continue reading to discover how to do so quickly and ...

Fix the 'No SIM Card Detected' error on Android with 15 proven solutions. Quick fixes, eSIM troubleshooting, and when to get a replacement SIM.