---
title: Enable Lost Mode
framework: Device Management
role: symbol
role_heading: Web Service Endpoint
platforms: [iOS 9.3+, iPadOS 9.3+, Mac Catalyst 9.3+]
path: devicemanagement/enable-lost-mode-command
---

# Enable Lost Mode

Enable Lost Mode on a device, which provides a message and phone number on the Lock Screen.

## URL

PUT https://yourmdmhost.example.com/mdm

## Response Codes

200 OK: The response object the system returns for the Enable Lost Mode Command.

## Discussion

Discussion While in Lost Mode, a device responds to invalid commands with error code 12078. Refer to the following sections to determine supported channels and requirements, and to see an example request and response. Command availability  |   |   |   |   |   |  Example request and response

## HTTP Body

The request object the server returns for the Enable Lost Mode Command.

## Topics

### Commands and responses

- [EnableLostModeCommand](devicemanagement/enablelostmodecommand.md)
- [EnableLostModeResponse](devicemanagement/enablelostmoderesponse.md)

## See Also

### Lost device

- [Device Location](devicemanagement/device-location-command.md)
- [Play Lost Mode Sound](devicemanagement/play-lost-mode-sound-command.md)
- [Disable Lost Mode](devicemanagement/disable-lost-mode-command.md)