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 ...

SIM cards have been an integral yet forgettable aspect of owning a smartphone over the past few decades. For most users, the SIM card defines the basic commercial relationship they have with their ...

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 ...

Imagine your phone isn’t working. It’s odd, but this should be an easy fix. You contact your phone carrier and are told that you requested a new SIM card. But you never requested a SIM card or called ...

Those little chip-size SIM cards that plug into our smartphones are on their way out. Apple says so, and there’s a good chance Apple is right. This week, Apple said its new iPhone 14 devices will no ...

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 ...

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) ...

Millions of mobile phones may be vulnerable to spying due to the use of outdated, 1970s-era cryptography, according to new research due to be presented at the Black Hat security conference. Karsten ...

SIM cards can last over a decade with proper care, though most users replace them due to upgrades, travel or network changes.