So, talking to myself here, but the problem is solved in the most-recent image from Google Drive (s5p6818-sd-friendlycore-xenial-4.4-arm64-20190930.img) Now if I list /dev/input/by-path, I see: root@NanoPi-Fire3:/dev/input# tree . ├── by-id │   ├── usb-Apple__Inc_Apple_Keyboard-event-if01 -> ../even...

Yes. My /etc/asound.conf file looks like: pcm.!default { type hw card 0 #If you want to set HDMI as output ,turn 0 to 1. device 1 } ctl.!default { type hw card 0 #If you want to set HDMI as output ,turn 0 to 1. } ... which sends the audio down the HDMI output. Testing it with: prompt% aplay /root/Mu...

So, after installing the Friendlycore image (s5p6818-sd-friendlycore-xenial-4.4-arm64-20190718.img) the attached USB keyboard is not detected.. [list=] [*]The keyboard works fine on a Mac, so it's definitely functional. I even tried more than one of them. [*]There is a USB mouse plugged into the key...