Armbian Iso -

# Switch kernel families (e.g., from current to edge) apt install linux-image-current-rockchip64 # or edge apt install linux-dtb-current-rockchip64 apt install linux-u-boot-orangepi5-current

You cannot use Rufus in "ISO mode" or Etcher with an Armbian file unless you treat it like a raw disk image. Here is the standard workflow: armbian iso

fdisk -l analysis.img