Per the issue, We suggest that you could try to use Bluetooth Mode Or IR Learning Mode to check if they could make your devices work well or not. 1. Bluetooth Mode 2. IR Learning Mode Learn from your Infrared devices: Select the Icon of the function key that needs to copy. Meanwhile, long-press the corresponding function key of the original remote. If the APP notifies you it's successful which means complete. If not, please try it again and adjust the distance of 2 remotes. Kindly noted: *For IR DEVICES, Keep U1 Line-Of-sight with your original remote

Pls try to add them via searching Brand: DIRECTV Model: xxxxxxx at first.

Per the issue, We suggest that you could try to use Bluetooth Mode Or IR Learning Mode to check if they could make your devices work well or not. 1. Bluetooth Mode 2. IR Learning Mode Learn from your Infrared devices: Select the Icon of the function key that needs to copy. Meanwhile, long-press the corresponding function key of the original remote. If the APP notifies you it's successful which means complete. If not, please try it again and adjust the distance of 2 remotes. Kindly noted: *For IR DEVICES, Keep U1 Line-Of-sight with your original remote

Sorry，U1 does not support Bluetooth macro, X1 can support Bluetooth device macro.

U1 mainly supports audio and video devices. Windows 10 PC recommends infrared learning or Bluetooth connection，Per the issue, We suggest that you could try to use Bluetooth Mode Or IR Learning Mode to check if they could make your devices work well or not. 1. Bluetooth Mode 2. IR Learning Mode Learn from your Infrared devices: Select the Icon of the function key that needs to copy. Meanwhile, long-press the corresponding function key of the original remote. If the APP notifies you it's successful which means complete. If not, please try it again and adjust the distance of 2 remotes. Kindly noted: *For IR DEVICES, Keep U1 Line-Of-sight with your original remote

Per the issue, We suggest that you could try to use Bluetooth Mode Or IR Learning Mode to check if they could make your devices work well or not. 1. Bluetooth Mode 2. IR Learning Mode Learn from your Infrared devices: Select the Icon of the function key that needs to copy. Meanwhile, long-press the corresponding function key of the original remote. If the APP notifies you it's successful which means complete. If not, please try it again and adjust the distance of 2 remotes. Kindly noted: *For IR DEVICES, Keep U1 Line-Of-sight with your original remote

Your device has been added to our database,Pls try to re-add it via searching Brand：Amazon Model： Element Fire TV.

You can use key assignment to change device input，how to Reassign Function https://youtu.be/HTKHJ2psmJ0

Your device has been added to our database,Pls try to re-add it via searching Brand：Arris Model： DCX3600M.

Dear Johnny， Thanks for your information. As per checking with our technician，please open the APP，if you read the details request to upgrade the firmware，then please upgrade it to be the latest new one first，then you can try again by the remote.Thanks！