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

The eSIM standard was introduced in 2016, slowly gaining support as a secondary option in smartphones. Rather than holding ...

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 ...

A dual-SIM setup lets you use one phone to make and receive calls and texts from two numbers. It's also super convenient and can save you serious cash when traveling. We show you how to use two SIMs ...

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 ...

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 ...