Use Google Find My Device: https://www.google.com/android/find
Sign in with the Google account linked to the lost phone
Select the lost device from the list
Check the phone’s last known location on the map
Play sound to make the phone ring if it is nearby
Secure the device by locking it remotely
Add a recovery message and contact number on the lock screen
Erase the device remotely if you think it is stolen or cannot be recovered
Check your Google account activity for recent device location updates
Use Samsung Find My Mobile if the phone is a Samsung device
Check Google Maps Timeline if location history was enabled
Call or text the phone from another device
Ask nearby places you recently visited to check lost-and-found
Contact your carrier to suspend the SIM if needed
Report the phone as stolen to local authorities if necessary
Change passwords for important accounts if the phone may be compromised