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 ...

You may have had AT&T SIM (Subscriber Identity Module) card problems on your iPhone before or received the notification "Airtel SIM not provisioned." This happens sometimes, and the reason is fairly ...

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 ...

You generally can't use an Apple iPhone on a cell network if it's never been activated with such a network, although once it is activated you can remove your SIM card or simply never connect to the ...

BSNL recently joined private telecom giants Airtel, Jio, and Vi (Vodafone Idea) by launching eSIM service in select circles. An eSIM functions just like a physical SIM card, providing better network ...