Add Yahoo as a preferred source to see more of our stories on Google. You can switch carriers without buying a new device. Here’s how. By Melanie Pinola Changing wireless providers can sometimes save ...

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 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 ...

Every smartphone is either locked or unlocked, depending on where you buy the device from. When you acquire a new mobile phone directly from a U.S. carrier like AT&T or Verizon, it will be locked to ...

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 ...

If you’ve bought a cellular iPad from someone other than Apple, you may later find that the iPad is locked to a particular network. If you insert a SIM from a ...

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 ...