Turn on Lost Mode for supervised iOS devices
- In the management console, on the menu bar, click Users > Managed devices.
- Click a device.
- On the device tab, click Turn on Lost Mode.
- In the Contact phone number and Message fields, type the appropriate information.
- Optionally, select Replace slide to unlock text and enter the text to display.
- Click Enable.
- To locate a device that is in Lost Mode, on the device tab, click Get device location.
- To turn off Lost Mode, on the device tab, click Turn off Lost Mode.