1) a Straighttalk iPhone SE (carrier locked) that came from the carrier with a Verizon-tower SIM card. 2) a Straighttalk ATT-compatibe SIM card. I would definitely assume so. The phone might also have ...

If you ask most cell phone users what they understand the term “unlocked phone” to mean, they will likely tell you that it is exactly what it says: that you can use the phone on any cell carrier ...

Shawn is a software engineer and a mobile tech degenerate by night. His daily drivers are a Galaxy S7 Edge and an iPhone 6S Plus. Ever since the Nexus 5, Sprint seems to be ever more accepting of ...

In addition to using the phone on a rival domestic carrier, many users may want to unlock their iPhones for traveling to international destination. This way, they can use a prepaid local SIM card ...

After you purchase and use your cellphone for an extended period of time, you can change networks. However, the phone that you're currently using may not be offered on that network. If you wish to ...

The new SIM-free phones can be activated at the carrier of your choice, starting at $649 for the 16GB iPhone 6. Lance Whitney is a freelance technology writer and trainer and a former IT professional.

T-Mobile has started stocking the extra-tiny SIM cards that fit the iPhone 5 for those customers who want to bring their unlocked phone to the carrier. Availability — just like the iPhone 5 itself — ...

If you’ve ever bought a second-hand iPhone or switched to a new carrier, you may have faced the frustration of a locked device. Carrier-locked iPhones prevent you from using SIM cards from other ...

In this edition of Ask Maggie, CNET's Marguerite Reardon explains how wireless operators have manipulated the market to ensure you can't take your iPhone 4S to any other U.S. carrier you want.