For many years, mobile phones received cellular service through a physical SIM (subscriber identity module) card that connected your handset to your phone carrier. These physical SIM cards made it ...

Have you ever wondered exactly how a SIM card works? We’ll help you understand why your phone needs one and what they do to keep you connected. Image: TalkAndroid Editorial Note: Talk Android may ...

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 ...

Your phone's SIM card allows the device to make calls, send texts, and connect to the internet. The SIM card provides a phone ...

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

Recently, Visible expanded the ability to convert your physical SIM card provided by the carrier to a sleeker and virtual eSIM. Since Visible now supports eSIM conversion on the Pixel 6, I figured I’d ...

Since last week’s leak, it’s been clear that Android Q is going to include some positive changes for Android going forward, like system-wide dark mode and new permissions settings. Unfortunately, it’s ...

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 ...

Will was the Phones Editor at Android Police from August 2022 to May 2025, which usually meant his desk was covered in a dozen different smartphones at any given time. Prior to that, he was a news ...

SIM card problems are few and far between but when they do occur, they can be some of the frustrating things to address. In this short guide, learn how to fix your ...