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.

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead.

Every month, you pay a bill for cell phone service. Somehow, that access needs to make it to your device. The SIM card, or “subscriber identity module,” connects your phone with your phone bill. While ...

Zhuhai-based Meizu has had a relatively quiet 2018 compared to its Chinese peers, but it’s starting 2019 aiming to grab headlines with a radical concept phone. Announced today in China, the Zero is a ...

Quite a few phones worldwide support the simultaneous use of two physical SIM cards, but not many US models do. In fact, most otherwise dual-SIM-capable phones see the feature disabled in the US ...

Apple is preparing for a September 9 Awe-Dropping event to introduce the new iPhone 17 models. While we are mostly aware of the lineup and expected upgrades, Apple might surprise us with a new ...