Are you aware, you can install Nura almost on any upstream supported aarch64 Allwinner device?
Here is a small description how to do that https://codeberg.org/barni2000/linux/wiki/Install-Nura-Trailblazer-on-Allwinner-H5%2FH6-devcies
Feedback are welcomed.
PS: I have tested tested on Orange PI One Plus, Lite2, PC2 and on Libre Computer ALL-H3-CC-H5.