Microsoft has rolled out on its store a new “Cellular Data” app that allows users of specific Windows 10 devices with a Microsoft SIM card to buy ... click on the Wi-Fi icon in the app and ...

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 ...

If you need to find out your iPhone's carrier without a SIM card installed, you can do so through the Settings app. Usually the cellular carrier name will be displayed at the top of your iPhone ...