Ring or locate a missing phone
If the phone may be nearby, a sound is a low-risk first step. If it is farther away, use the official device-finding map from the account already linked to it.
What to do
First, check
Check the places you just visited, then confirm which account owns the device.
Then
Use Apple Find My, Google Find Hub or Samsung Find to ring it or inspect the available location.
If it’s not that simple
Choose sound only when the search is safe
Likely nearby
Try the provider’s sound control while checking safe places.
Location farther away
Treat the map as a recovery clue and inspect its timestamp.
Theft plausible
Protect the device and seek appropriate assistance instead of following a person or confronting someone.
Good to know
A map point is an estimate; do not use it to confront a suspected thief.
Official source
Android Help · find, secure or erase