Open the Find My app on another Apple device
Sign in with your Apple ID
Tap Devices
Select your iPhone from the list
View its location on the map
Use Play Sound to find it nearby
Use Directions to navigate to it
Enable Lost Mode to lock it and display a message
Erase the iPhone remotely if needed
Use iCloud.com/find in a web browser
Sign in with your Apple ID on iCloud.com
Select Find iPhone
Choose your iPhone from the device list
Check the last known location if it is offline
Make sure Find My iPhone is enabled in Settings
Turn on Location Services
Keep your Apple ID and password secure