Make sure your phone can be found. Find Hub allows you to remotely locate, lock, and erase your phone.
If you ever need to find your phone, your phone will need to:
To check that Find Hub is on for your phone:

To confirm that you can find your phone, go to android.com/find on your phone or from a computer.
If you have lost your phone, consider calling your carrier to suspend your account. If your phone doesn't have a SIM lock and it's stolen, someone could use your SIM card.