In this guide we’ll show you how to SIM unlock the Galaxy S9 so you can use it on different carrier networks. That way if you bought the Galaxy S9+ from AT&T, you can still take it to T-Mobile if you ...

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 ...

Several years ago, the Federal Communications Commission issued new requirements to the major wireless carriers in the US to ensure all smartphones can be unlocked. In an effort to both increase ...

So you’ve got a phone on Sprint’s network, and you’re looking to unlock it to use on another network in the United States, or on a local carrier in a country you’re traveling to. Typically, when you ...

Apple today released an unlocked GSM version of the iPhone 5s on its online store for the United States. This version of the iPhone 5s includes the same exact capabilities of the non-unlocked models, ...

Earlier today we heard that both Sprint and Verizon will offer an unlocked micro SIM in the iPhone 4S, which would allow you to use your iPhone 4S abroad with a GSM SIM card. Now it would appear that ...

Lance Whitney is a freelance technology writer and trainer and a former IT professional. He's written for Time, CNET, PCMag, and several other publications. He's the author of two tech books--one on ...

Nick Statt is a Senior Producer on Decoder. Previously, he reported on the technology and gaming industries for more than a decade. Today, Apple started selling an unlocked, SIM-free model of the ...

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.