Troubleshooting - Error Message - "Device in use" is displayed. - Smart Home HD Camera
- The maximum number of users (i.e., mobile devices) is already accessing the HD camera. As well the same screen, or the same feature.
- Up to three mobile devices can access the camera at the same time while at home and up to two mobile devices can use the camera at the same time while away from home.
- Wait for the other user to finish and then try again.
This answer applies to models KX-HN1003, KX-HNC800, KX-HNC805