Reset RGB 8-bit after rebooting (android9-20200827)

Reset RGB 8-bit after rebooting.
Where configuration files are stored?
There used to be here: sys/class/display/HDMI/color
echo mode=1 > sys/class/display/HDMI/color

What to apply the init.d script for TUNER “COLOR” after rebooting?

android9-20200827_1006_94736e8-gpt

setting anything will not change it from RGB 8Bit, sometimes selecting any other setting will turn off the picture but the box remains on, and a restart is need to return the picture
snaptube vidmate

I want to enable forcibly through the init.d script.
How to do it, where is the file “Color”?