Are you trying to switch phones or carriers? You might need to swap SIM cards for that, and we can understand how confusing this process can be if you haven’t done it before. Today we’ll show you ...

One question we get all the time is whether or not an Android phone will work without a SIM card. Basically without having service from a carrier. Including what to do with old smartphones. Whether ...

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 ...

You're probably already familiar with the SIM card, a tiny chip in your phone that connects it to your cell phone carrier of choice. For years, this chip was on a physical card that you could swap in ...

Your phone's SIM card allows the device to make calls, send texts, and connect to the internet. The SIM card provides a phone number that identifies your device on the carrier's network, whether it's ...

Whether you've recently added a new line to your Android phone for faster internet or gotten a new work SIM, a "SIM Not Provisioned" error message can disrupt your ...

So you're in a pinch, and you need to swap out the SIM card or install a microSD in your Android device, but you can't find the nifty little ejector tool that came in the device's retail box. Fret not ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. In between reports of increasingly sophisticated nation-state ...