[update 12/2017 at bottom]
Possibly late, but I would like to put everything we know in one place for anyone who might think of buying this board.
Overview:
This is a form factor and (mostly) I/O clone of the Raspberry Pi 3 with a much more powerful quad-core Cortex-A17 Rockchip rk3288. It supports HDMI 2.0, has 2 GB RAM, Gigabit Ethernet, Wifi and BT on board, etc: https://www.asus.com/us/Single-Board-Computer/Tinker-Board/
As numerou