Hi Dear :
This is SofaBaton, very glad to help you.Your device has been added to our database,Pls try to re-add it via searching Brand:Spectrum Model: 210-H,Brand:Samsung Model:UN65MU650D,About Sonos S2,Suggest kindly try to use bluetooth mode or manual learning mode to check if could make your device work well or not.
For Bluetooth control devices, please refer to the following steps:
Add Bluetooth device: first, add the corresponding Bluetooth device in the APP (if you can't find your device, you can try to select ''other''), then use the original remote control to control your device, enter the Bluetooth search menu, find the SofaBaton X1, and then click Connect.
Manual learning mode,
1.Enter the information for your device.
2.Enter the name of the key you want to learn
3.Follow the instruction in the app to learn form the original remote
When learning, the original remote should be pointed toward the circular icon, at a distance of 3-5 inches and perpendicular to the hub surface,About Apple TV,Please directly click the icon on the app to add a device to see if it can be used.I send you a video about activity, hoping it can help you,https://www.youtube.com/watch?v=TFUja-P0TAM