hello, we have added the buttons for you, pls try to re-add the device via searching Brand：Denon Model：AVR-X3300W

I'm so sorry for the inconvenience, pls kindly email to our after-salea team sofabaton@outlook.com who will help you solve the problem propelry, tks

Pls try to add it via searching Brand: NAD, Model: C326

Pls try to add it via searching Brand: Edifier Model： R1280DB-1

sorry, Our technicians tried to add a code library for this device, but our latest version of code library does not have data for this device, so we cannot help you add the device. suggest try to add it via bluetooth mode or ir learning mode, if you need any p[icture for reference, pls email to sofabaton@outlook.com directly, tks

hello， pls try to add roku like the video shows: https://youtu.be/1Ltyye0R0FI FYI, Pls do not cover the roku when using, and make u1 close to the roku, any difference? Per XBOXS, Pls try to add it via searching Brand: Microsoft Model: Xbox one s

sorry for the inconvenienc,e to help you properLy, pls provide your problem and contact number to our email account (sofabaton@outlook.com ) directly, we will let our US after-salea team to contact you directly, tks

Sorry, U1 does not support long press function

hello, our tech department has reapired the databse, pls kindly re-add the device via searching Brand: Technicolor Model: UIW8001, any difference? FYI, Pls do not delete the old one, once you confirmed the new database can work well, then you can delete the old one, tks.

Tks for your suggetsion, have passed them to our product team for reference to check if it is possible to add the features in the future or not, tks