Per the issue, pls choose the device in device mode, Edit---Add/ repair keys--channel key repair--command repeats, change the value to 1 or 2. After the test is OK, you can apply to all command.

Sorry, X1 data is stored in independent firmware, and replication is not supported

You can press the key to assign Return and Exit on X1,choose the device, click edit---assign key for the X1 remote, then assign the command you like to the physiccal key of the X1

Sorry, can you tell us your mailbox number?

Sorry, please refer to the video for macro keys How to Create Macro Function https://youtu.be/sohArzrBAMc

You can use keys to assign a key to the input of Xfinity and Fire TV. I sent you a video that I hope will help you，how to Reassign Function https://youtu.be/HTKHJ2psmJ0

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：RCA Model： RLDEDV3255-A

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, our engineers have repaired your device. Please delete the device and add it again to see if it can be used normally.