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 ...

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 ...

A cellphone or smartphone that uses the GSM cellular system and TDMA air interface. In the U.S., AT&T and T-Mobile are GSM carriers. Contrast with CDMA phone. See GSM. THIS DEFINITION IS FOR PERSONAL ...

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 ...

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.

The overall certification process may seem very long and involved, but it does provide a high level of uniformity across the industry. The expectations for quality of service provided by mobile-phone ...

The Electromagnetic Field 2018 hacker camp in the UK will have its own GSM phone network, and as we have already covered its badge will be a fully-functional GSM phone. This is as far as we are aware ...