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 ...

Changing wireless providers can sometimes save you big money. It can also help if you are traveling abroad or if you want to get the most value when selling your old phone. But before you make the ...

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 ...

If you’ve acquired your iPhone through a contractual agreement with a mobile carrier, there’s a likelihood that the device is locked to that specific service provider. In order to switch to a ...

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 ...

Apple started offering a new SIM-free unlocked iPhone X as of Monday that works with any carrier. It's similar, if not equal, to the Verizon and Sprint iPhone X model, which also lets you use any ...

Consumer Reports has no financial relationship with advertisers on this site. Consumer Reports has no financial relationship with advertisers on this site. If you’re looking to save money, shopping ...

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 — ...

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 ...