You can check to see if your iPhone is unlocked from a carrier using any of a few different methods.

To unlock your iPhone from its carrier, you'll likely need to contact your carrier directly to cancel your contract.

There are two types of phones—those locked to a carrier and those free to use whatever carrier they want. There will come a time when you need to know which one your phone is. Thankfully, you'll have ...

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 ...