If your phone suddenly won't recognize your SIM card, don't panic. There are a few things you can do to try and resolve the problem. Here's what to do.

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.

Yes, some phones are eSIM-only and therefore require eSIM. iPhone 14 models and newer are eSIM-only in the US, meaning they lack a physical SIM card slot. Most Android phones include a physical ...

Google's Pixel 10 series eliminates physical SIM cards in the US. If you're worried about the change, here's why you shouldn't be.

Buy a Pixel 10 in the US, and the phone Google sends you will lack any way to physically insert a SIM card. To activate the ...

An eSIM or embedded SIM card is a new technology. It is the virtual or digital version of the traditional data SIM card. Fortunately, if you have one of the last-gen or latest Android phones ...

SIM-based spyware attacks can target phones with invisible SMS messages. And all brands are vulnerable—including Androids and iPhones.

The 3G sim card slot is marked with a “W”, the 2G sim card slot is marked with a “G”. There are plans for newer dual- sim Android phones which have dual 3G compatible sim slots.

While Pixel 10 eSIM capabilities promise easier international travel, uneven carrier support means users must be prepared for ...

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.