Make sure your phone can be found. Find My Device 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 My Device is on for your phone:
Go to android.com/find and log in to your Google account to confirm that you can contact and locate your phone.
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.