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 GSMA is overseeing an effort to bring SIM cards--and thus pervasive mobile network abilities--to cameras, navigation devices, and more. Stephen Shankland worked at CNET from 1998 to 2024 and wrote ...

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 ...

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 ...

Protect yourself against SIM swapping and more security threats by setting up a SIM PIN right now.

The ability to have two phone numbers associated with one phone is hugely popular in places like India and China. With dual-SIM cards, users can switch between a phone number for work and another for ...

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 ...

Dual-SIM wireless phones have been introduced by Nokia and LG Electronics for use in countries outside the U.S. The question remains whether they or other dual-SIM phones will ever catch on in the U.S ...

Yesterday, Nokia had zero dual-SIM card phones. Today? Two. The C1-00 and C2 are both low-end candybars that won’t offer media-hungry people the phone they were looking for—but they will suit ...