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 ...

An unlocked phone is a device that has no carrier locks or restrictions. It's usually sold at full price. You can use it with any carrier of your choice, whether you're using a physical SIM card or ...

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 ...