a person's finger holding up a SIM card with a phone in the background - Towfiqu Ahamed/Getty Images A SIM card is a necessity for connecting your phone to a cellular network. Unfortunately, that ...

For many years, mobile phones received cellular service through a physical SIM (subscriber identity module) card that connected your handset to your phone carrier. These physical SIM cards made it ...

The world of eSIMs has taken a huge step forward over the past month, as first Google launched the eSIM-only Pixel 10 range in the US, and then Apple expanded the regions that were eSIM-only for the ...

I'm not buying the eSIM hype — physical SIM cards are more reliable and make you less dependent on your cellular carrier.

A SIM card is a necessity for most cell phones. (Public Domain) Even though it's one of the simplest components in a cellphone, older SIM cards are still vulnerable to attack, leaving approximately ...

SIM ejector tools are quickly becoming obsolete as phones switch to eSIM. Before you toss yours, there's a surprisingly handy ...

Phones that take two SIM cards were a small trend at Mobile World Congress. Here's why that's a good thing. Kent was a senior managing editor at CNET News. A veteran of CNET since 2003, he reviewed ...

SIM swap fraud, in which a cellular service provider is duped into assigning a mobile phone number to a new SIM card is real and on the increase, according to experts. What's False SIM information ...

This is a common problem, especially since more and more businesses are starting to issue mobile phones to their employees. Fortunately, there are a few solutions that enable you to put two SIM cards ...

Smartphones are susceptible to malware and carriers have enabled NSA snooping, but the prevailing wisdom has it there's still one part of your mobile phone that remains safe and un-hackable: your SIM ...