To find your device, that device must be;

Be switched onSigned up for a Google AccountBe connected to Wi-Fi or mobile dataOn Google Play, be visibleHave Location turned onTurned on Find My Mobile

You must have a backup phone or backup code if you have used your missing phone for 2-step verification.

Remotely find:

1.Go to android.com/find and log in to your account with Google. Tap the missing phone at the top of the screen if you have more than one phone. If there is more than one user profile on your missing phone, sign in with a Google Account that’s on the main profile. 2.The missing phone will receive a notification. 3.On the map, you’re going to get details about where the phone is. The location is approximate and may not be exact. If you can’t locate your phone, you’ll see the last known location, if available.