Hey,
To manually sync Arlo:
1. Release the Arlo camera from the camera housing. ...
2. Pull the camera out of the camera housing.
3. Press the Sync button underneath your camera. ...
4. Wait for your Arlo camera and SmartHub to sync. ...
5. Check your Arlo camera's live stream in the Arlo app to verify that the camera was synced.
For further information you can visit our website:
Netgear Arlo Setup | Arlo Motion Detection Settings