I was able to upgrade Armbian to 18.04 bionic beaver on my Banana Pi M1, and it's working (almost) fine!   I used the command to update the sources.list to bionic:   apt update && apt dist-upgrade -y && apt autoremove -y && apt autoclean apt install update-manager-core do-release-upgrade -d Fetched 403 MB in 8min 43s (769 kB/s)   I gave "yes to all" to almost everything, except on replacing config files like KEYMAP, sshd and bind   A