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 ...

You might be ready to leave T-Mobile and its Magenta network in your rearview mirror. However, that doesn’t mean you have to give up the phone you bought from the carrier. In fact, it might save you a ...

The Apple Store has begun selling unlocked, SIM-free iPhone 6 and iPhone 6 Plus models at unsubsidized prices, offering customers the ability to purchase without a T-Mobile SIM card. In the U.S., ...

Many smartphones purchased from U.S. wireless carriers come locked onto that carrier’s network. If you’re trying to move to a new carrier, and you want to useyour current phone rather than buy a new ...