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

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

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 ...

If you want to switch carrier networks on your Google Pixel, you might have to unlock the phone. Here's how to unlock any ...