Better to just ask, so anyone with the issue can search and find the answer.
Denon X6500H 7.2.4 -> LG OLED65C9P
Main: Odroid N2 CoreELEC
Other Devices: Apple TV 4K, RPi 4, NVIDIA Shield Pro (2017)
Retired devices: Zidoo X9S, Xiaomi Mi Box, All the old RPi’s