Open the Find My app on another Apple device
Sign in with your Apple ID
Tap Devices
Select your iPhone
View its location on the map
Tap Play Sound to find it nearby
Tap Directions to get navigation
Enable Lost Mode to lock the device
Add a phone number and message for the lock screen
Use iCloud.com/find in a web browser
Sign in with your Apple ID
Select your iPhone from the device list
Check the location and last seen time
Contact your carrier if the device is stolen
Report the device to local authorities if needed