FAQ

Boot fails and restarts repeatedly?

It is probably due to not enough supply current. Please use a power
adapter supporting 12V voltage and 2A current.

Where is the RK3399 chip technical manual?

RK3399 chip technical manual link:

Brief


Part1


Part2

How to burn the MAC address?

You can change MAC address of the Face-RK3399 by yourself, and you can
modify MAC address by the tool --

WNpctool

 before Connect Device.

How to capture a log from the board in Android?

"Settings" -> "System" -> "About tablet" -> click 5 times "Build
number" -> go back to the previous level "Developer options" ->
"Enable logging to save". After opening the function, the system
storage root directory will generate ".LOGSAVE" folder, which includes
system logcat and kernel kmsg.