Open the Find My app on another Apple device
Sign in to iCloud.com/find on a web browser
Select your iPhone from the device list
View the iPhone’s location on the map
Play a sound to help find it nearby
Mark the iPhone as Lost
Add a phone number and message to the lock screen
Enable Notify When Found
Check the last known location if the iPhone is offline
Use family sharing to view the device if available
Contact your carrier to suspend service if needed
Report the device to local authorities if stolen
Change your Apple ID password if you suspect compromise