Have you ever wondered why the latest Google Pixel device doesn't have physical SIM slots anymore? Here's why Android phones ...

It took a long time -- more than 20 years, to be exact -- but the humble SIM card that sits within your phone, and seven billion others, has finally been hacked. Of the seven billion modern SIM cards ...

Embedded SIMs, aka eSIMs, simplify setup and security on modern smartphones, yet device compatibility and transfers can make adoption frustrating.

Subscriber identity module cards, more commonly known as SIM cards, store phone account information that networks use to connect calls and messages, among other types of communication. As a business ...

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 ...

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. If you have a working phone, ...

As many as one quarter of all mobile phones in use in the world today could be vulnerable to an SMS attack that allows hackers to gain full control of the phone. The vulnerability was discovered in ...

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 ...

There are few devices that better exemplify the breakneck pace of modern technical advancement than the mobile phone. In the span of just a decade, we went from flip phones and polyphonic ringtones to ...