Wondering what GSM Unlocked means? This short article will make it clear for you so read on. What does GSM unlocked mean? GSM stands for Global System for Mobile communications. It is one of the two ...

Nokia and Sony Ericsson are looking to crack the unlocked phone market in the U.S., but their quest will be an uphill battle. Marguerite Reardon started as a CNET News reporter in 2004, covering ...

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 ...

The best way to explain this is by telling you what a locked phone is. Carriers have blocked locked phones from working with other networks. Try putting a SIM card from another carrier in a locked ...

Switching to a new cell phone service provider can save you hundreds of dollars per year—and there’s no need to ditch your current phone to do so. To make the move, though, you may have to first ...