Hi,
I have android box with S912. With TV Philips 55/pus6162
If i install [8.2.4.1] LibreELEC or newest Coreelec. Then when i press button "down" on remote control, boy turn OFF, other buttons work normaly.
Also if i install [8.2.2.3] LibreELEC with KODI 17.1 then remote work normaly.