For UC 20 I downloaded the image from here: https://cdimage.ubuntu.com/ubuntu-core/20/beta/current/ I tried refreshing to the edge kernel but then an image would not boot.
For 18 I had built an image from an assertion containing kernel: pi-kernel=18-pi
For UC 20 I downloaded the image from here: https:/ /cdimage. ubuntu. com/ubuntu- core/20/ beta/current/
I tried refreshing to the edge kernel but then an image would not boot.
For 18 I had built an image from an assertion containing kernel: pi-kernel=18-pi