Airtel is rolling out 5G across the country, giving users a super-fast internet experience. If you've just bought a new Airtel 5G SIM or switched from a 4G SIM, you need to activate it. Airtel is ...

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 ...

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 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 ...

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 ...

Today’s Android phones are significantly more advanced than they were just a few years ago, but one thing hasn’t changed: the need for a SIM card. Every phone needs a physical or eSIM card to make ...

SIM card problems can easily be determined by the error prompts and warning messages. Among the most common SIM errors that have plagued various Android devices ...

There have been a number of problems reported for the iPhone 4S since it was launched, and also some for other devices including the iPhone 4, with iOS 5, the main one being the battery problems ...