I have made a lot of progress on getting Ubuntu to boot on Chuwi Vi8 (not plus) and I’ve made a guide where I try to have most steps explain how you do it if specs are different.
https://github.com/Manouchehri/vi8/blob/master/Ubuntu_instructions.md
Right now I think the Wifi will need a patch to the kernel on xenial, but the github repo I linked to hosts the patch. After Xenial is released I might be able to host a kernel specialized for Atom for now thats too time consuming to maintain.