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 ...

When an Android phone shows “Not Registered on Network,” it means the device is unable to communicate with the carrier’s ...

This is not as easy as it sounds — and it’s not common advice. But there’s a new warning for iPhone and Android users to ...

Although cell phones have changed significantly in the last few decades, they still need a SIM. Some phones have moved to eSIMs, but many still use physical SIM cards. If you have a working phone, ...

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 ...

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 ...

Google Fi Wireless, the lesser-known telecom service provider in the US, has cellular service operational in the country. It offers decent plans for wireless communication and internet. Some Google Fi ...