I've got a https://wiki.postmarketos.org/wiki/Lenovo_IdeaPad_Flex_3_Chr... ... For the record, I don't recommend this exact model for most people. Audio never worked (for some weird reason that probably boils down to alsa settings) and the touchscreen isn't working right now. Weirdly this doesn't matter for my uses, but obviously that's not great. If I was buying one today I'd skim the wiki to find something that lists everything supported and maybe ask in Matrix if anyone can confirm.