You’re no longer dependent on what your carrier sells, because you can easily buy unlocked phones from all over the world. But what exactly are the differences when you look at unlocked phones ...

If you're ready to buy a new phone and want one that's already unlocked for use on the mobile carrier you already use, you can usually find one online. For example, Amazon has an entire section ...

You might find that an unlocked phone works flawlessly on T-Mobile's network, for example, but lacks the necessary frequency bands to connect to AT&T or Verizon's network. Before you buy an ...

It’s also easier to sell on an unlocked iPhone later on ... so you can pick the best place to buy an iPhone. Apple and some U.K. resellers will allow you to trade in your old iPhone so you ...