Sorry for the inconvenience caused. Our engineers have added your device again. Please remove the device and add it again to see if it can be used normally：Brand：LG Model： OLED77G2PUA

Regarding your device, you can click on the Bluetooth icon and select Fire TV to add.

Sorry for the late reply, I have asked our after sales team to contact you a few days ago, did you receive our email?

Thank you for your feedback. The data of X1 is stored on the hub, and as long as the hub is not replaced, the data will not be lost.

Sorry for the inconvenience caused. The current version does not support long buttons. We will update in the next version.

Sorry for the inconvenience caused. Could you please let us know the specific model of the device? Let's check.

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 for the late reply. Your device has been added to our database. Please add it according to the brand and model：Brand：Sharp Model：LC-42LB261U

Sorry for the late reply. Your device has been added to our database. Please add it according to the brand and model：Brand：Samsung Model： HW-Q70R

Sorry for the late reply. Your device has been added to our database. Please add it according to the brand and model：Brand：McIntosh Model： D150