An unlocked phone is the key to getting service from an alternative carrier. Here's how to check if a phone is unlocked.

What does it mean if your iPhone is locked? If your iPhone is carrier-locked, it's only going to work with the cellular provider that locked it. However, if your iPhone isn't locked, you'll be able to ...

There was a time when getting a new cellphone felt like signing a mortgage — except with worse terms. You’d walk into a carrier store, pick out a shiny new phone, and they’d practically hand it over ...