You don't need another Apple device to use the Find My service to locate your lost iPhone. Find My gives several options to help find your missing iPhone besides spotting it on the map.
If your iPhone has been lost or stolen, your first move is usually to check Apple's Find My iPhone feature. But did you know you can also do this for other Apple devices, including your Mac?
Losing your iPhone-or worse, having it stolen-is a ... number or any instructions to help someone return it if they find it. Lost Mode also locks your phone with its existing passcode and disables ...