Troubleshooting - The campaign is not playing on one device

1. Make sure that the device has an internet connection.
2. Go to the settings of the device and check the current date, time and year. Make sure that it is correct. If it is not set it to the correct date.
3. Make sure that the application is updated to the latest version. If it is not, update the app.
4. Apply all available system updates.
5. Unassign the device from your position and fixture.
6. Re-install the application
7. Factory reset the device if it is QR code provisioned android