Industrial android board - RK3288 (possible EVB)

[Mauricio Scotton]

Hi there!


I've got 2 of these industrial android boards (s2809-mb-v1.8c) and I've been trying to get armbian running on the. For a while but so far no success.
These 2 boards were sold as being tinker boards but I believe that they are EVBs instead.

 

Here are some photos:

https://ibb.co/4wTm20s9
https://ibb.co/Z6PfvZCr
https://ibb.co/HTFWLKTS

 

I have also managed to find a link to the Chinese seller:

https://m.globalsources.com/product/quad-core-board_1195354789f.htm

Debug method: UART2 (because they don't have HDMI only LVDS and EDP ports)

PMIC: RK808

So far trying to run them on the latest armbian 26 and 25 gets stuck at Starting Kernel.

Ive managed to find a version 20 for the miqi board that loads kernel and boots into armbian bullseye but stops before login using a single core only and only 512mb of ram, anything beyond that just never starts the kernel using tinker and tinker-s DTBs.

I have also managed to get a full dump of a current android image that is running correctly on one of the board and extracted: loader, kernel, dtb from the partitions.
Extracting the images was painful cause none of the rk (linux rkdeveloptool, rkdev and rkandroidtool) methods worked.. only through uboot so that was painful to get 16mb parts from some of the images and join them all.


Has anyone ever encountered any of these boards?
Maybe anyone has an idea on how to get them up and running?


Thanks for your help and sorry if this post is under the incorrect forum.

Edited 4 hours ago by Mauricio Scotton
Missing image links and detailed info