I have just received a NanoPC-T6 8GB, 64GB eMMC It came with debian pre-installed on the eMMC. The first problem is I can't upgrade the image root@NanoPC-T6:/var/log# apt update Hit:1 http://deb.debian.org/debian bullseye InRelease Get:2 http://deb.debian.org/debian bullseye-updates InRelease [44.1 ...