If you own an 8227L (demo) headunit and discovered that it is not running Android 10, or Android 11 and would like to update the android version in the firmware to something more modern, then
The RockChip RK3188 SoC is a QuadCore ARM Cortex A9 based processor using the Armv7-A architecture. 4 cores are clocked at around 1.8Ghz and Has a 512KB unified Level 2 Cache