When dealing with an unlocked or locked phone, the question is whether or not the device can work on a specific wireless network that's different than the network the phone was designed to work on. An ...

Ultra Mobile is one of the cheapest MVNOs in the USA. But is your phone compatible? Here’s everything you need to know in one, bite-sized guide… If you’re considering making the switch to Ultra Mobile ...

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 ...

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 ...

Everyone talks about unlocked phones but what are they? When dealing with an unlocked or locked phone, the question is ...