These images are designed for the R3S LTS model, but due to minimal differences, they are fully compatible with the non-LTS variant as well.

These images are designed for the R3S LTS model, but due to minimal differences, they are fully compatible with the non-LTS variant as well.
Check or update before upgrade!
/boot/armbianEnv.txt
: Find the line fdtfile="rockchip/rk3588-nanopc-cm3588-nas.dtb"
and replace this line with fdtfile="rockchip/rk3588-friendlyelec-cm3588-nas.dtb"
, DO NOT REBOOT YETYou only have to do this once, and only on existing installations. New installations and further update will not need any manual intervention.
(video instructions were not done by Armbian team, but it might help you get going)
If you are having a NanoPi R6C variant, replace fdtfile=rockchip/rk3588s-nanopi-r6s.dtb
in /boot/armbianEnv.txt with fdtfile=rockchip/rk3588s-nanopi-r6c.dtb