This Armbian guide from balbes150 has a section about the color issue. Maybe it can work to solve color issue for others.
This is an except from there…
" Fix for correct color to G12 (Amlogic S905X2 S922X)
For models based on g12 (s905x2 s922), which have a problem not the correct color ,
If you are starting the system from an SD card, you need to rename u-boot.sd to u-boot.ext,
If you are starting the system from an USB, you need to rename u-boot.usb to u-boot.ext
When installing in eMMC, you do not need to do anything with your hands, the installation script itself will perform the necessary system configuration and when running from eMMC, the system will work with the correct color."
Reported this on last FW already: the native file manager or other mainstream
app shows the odd video ratio! dot to dot issue??
All the things works well on the first original FW 190809(with only PQ issue).
Really disappointed for the FW developing, pls just give one for steaming!
Hello! I don’t see a problem to support the 3-axis accelerometer in Android - these are standard functions of all smartphones. Please include in the next update the official firmware for VIM3 for Android Pie. Thanks!