- second serial console is enabled on a microUSB port
- occasional troubles with network driver
- https://forum.armbian.com/topic/7260-quick-review-of-nanopi-fire3/

For proper hardware support you need to edit /boot/armbianEnv.txt and add:
fdtfile=sun7i-a20-orangepi-mini.dtb
following by reboot.
For proper hardware support you need to edit /boot/armbianEnv.txt and add:
fdtfile=sun7i-a20-bananapi-m1-plus.dtb
following by reboot.
For proper hardware support you need to edit /boot/armbianEnv.txt and add:
fdtfile=sun7i-a20-orangepi.dtb
following by reboot.