If the "your phone is not registered on a network" error has popped up on your Android phone, you know how frustrating it can ...

As the iPhone Air goes eSIM-only, and some of the best Android phones also drop the SIM card tray, here's a look at the eSM, ...

To check if your Android phone is unlocked, try swapping in another SIM card or test your network settings. If calls work, ...

Google Fi subscribers are having issues with their SIM cards failing. The tech giant has now acknowledged the issue. Some subscribers are receiving a $60 bill credit applied to their account. Are you ...

Seeing “No SIM” or “Invalid SIM” on iPhone? Check your SIM card, restart, or update your carrier settings. Simple fixes often ...

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 ...

These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another. I started my career with CNET all the way back in ...

Editorial Note: Talk Android may contain affiliate links on some articles. If you make a purchase through these links, we will earn a commission at no extra cost to you. Learn more. The US has a bunch ...

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 ...

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead. I started my career with CNET all the way back in 2005, when the (original) ...

The NanoPhone is capable of running essential apps, taking quick photos, and staying connected, all without the oversized footprint of modern phones. If you’re looking for a lightweight, no-frills ...