Not that many new announcements this week, but still a lot of movement in the chart. Week 46 was relatively calm in terms of ...

This sleek clamshell GSM phone sports UMA technology for cheap unlimited service via a Wi-Fi router when at home. This model sports a few upgrades over the T409, including music player, memory card ...

This stylish clamshell GSM phone sports an internal antenna, circular full-color OLED outer display, and a unique motion sensor. Other features include a megapixel camera with video capture, stereo ...

A researcher at the Def Con security conference in Las Vegas demonstrated that he could impersonate a GSM cell tower and intercept mobile phone calls using only $1500 worth of equipment. The ...

Computer security researchers say that the GSM phones used by the majority of the world’s mobile-phone users can be listened in on with just a few thousand dollars worth of hardware and some free open ...

Kent was a senior managing editor at CNET News. A veteran of CNET since 2003, he reviewed the first iPhone and worked in both the London and San Francisco offices. When not working, he's planning his ...

if you're tempted to buy a 2G phone on Amazon, or bring one home to use on AT&T or T-Mobile GSM networks—don't. They won't work, even if the carriers say they will. Here's why. I'm that 5G guy. I've ...

An Australian company last week launched a security tool for GSM mobile phones that encrypts transmissions to avoid eavesdroppers. GSM is one of the most popular mobile phone standards and is built to ...

MetroPCS unveiled its Bring Your Own Phone program, which lets you use your unlocked GSM phone. I’m PCMag’s executive editor of reviews, steering our coverage to make sure we're testing the products ...

Flaws in a widely used wireless technology could allow hackers to gain remote control of phones and instruct them to send text messages or make calls, according to an expert on mobile phone security.

I'm considering getting an S23 or S24 from Swappa, and I want it to be unlocked. There are many available that were originally from a carrier like Mint Mobile, but they are now unlocked. After a phone ...