The Find My app helps you locate and control your devices remotely.
- turn on the
Find My iPhone
setting. This will allow you to remotely lock, erase and locate your device. - turn on
Find My network
option. This setting enables you to find your phone even if it does not have internet access or has been turned off. It uses bluetooth to ping other nearby devices its location. - turn on
Send Last Location
to send the phone location to Apple before it runs out of battery