I was looking for an A64 prebuilt image
Download what you need.
If there isn't one, buy a different product! (Like an Olimex one.)
John
The image is located here
https://www.olimex.com/wiki/images/d/d5/A64-ubuntu_built_preliminary_rel_2.torrent
However I can't seem to get the board to boot. Maybe, a better question would be "how do you troubleshoot booting issues with the A64-OLinuXino-1G4GW"
Is there info in this regard?
Examine the output to the console as it tries to boot.
John