If you're buying a new phone, consider the advantages of an unlocked phone against those of one on a contract. As Managing Editor, I lead CNET's mobile team, covering news and reviews on smartphones, ...

In this edition of her advice column, CNET's Marguerite Reardon explains the differences between locked and unlocked phones and helps a reader figure out how to get an unlocked device. She also ...

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 ...