Turn on Find My 

The option to set up Find My is part of the initial iPhone setup process. You may have enabled it then. If you didn’t, follow these steps to turn it on. Depending on the version of iOS, you may see a message verifying that you understand that this tool turns on GPS tracking of your iPhone. The GPS tracking is for you to use, not for someone else to track your movements. Tap Allow.

How to Use Find My

When your iPhone or other iOS device goes missing, either because it was misplaced or stolen, use Find My with iCloud to locate it.

Turn Off Find My on Your iPhone

To turn off Find My iPhone, tap Settings > [your name] > Find My > Find My iPhone and turn off Find My iPhone.

Play Sound: If you suspect your iPhone is nearby, select Play Sound and follow the sound to the iPhone.Lost Mode: Locks and tracks your iPhone.Erase iPhone: Remotely erases your personal information on the iPhone.

In some earlier versions of Find My iPhone, you may need to enter the password for the iCloud account used on the device. This feature, called Activation Lock, prevents thieves from turning off Find My iPhone to hide the device from the service.

What Is Find My?

Find My is a tool that finds lost or stolen iPhones. It uses the built-in GPS or location services of the device to locate it on a map. It locks a device or deletes all data from a device over the internet to prevent a thief from accessing your data. If your device is lost, use Find My to make the device play a sound. Listen for the dinging sound to locate the device.