Open the partition and look for a folder named device_trees or dtb .
The open-source nature of these projects has led to community-driven forks for Allwinner devices. For example, there is the for Allwinner H3 devices, though it is worth noting that the maintainer has described this project as "unmaintained" and directed users to a newer fork called Neo-EmuELEC-H3 . However, even these community efforts for H3 do not guarantee support for the newer H6 processor. emuelec allwinner h6