Issue Description
Disable lost mode after Wi-Fi connectivity has been lost
Troubleshooting Steps
Share WiFi from a macOS device via tethering following this Apple document
https://support.apple.com/kb/PH25327?locale=en_USOnce WiFi connectivity is re-established, disable Lost Mode with a remote command
Note: if a WiFi connection cannot be re-established on the device it may be necessary to restore the device in recovery mode.