posted on /r/xperia about this but I should ask here as well:
any one know of any way of getting proper linux on the xperia xa1?
this thing has been collecting dust in my drawer and i want a nice aarch64 testing environment
https://www.reddit.com/r/xperia/comments/e3bm3h/any_way_of_getting_proper_linux_on_the_sony/