I installed TWRP (taken from here https://xdaforums.com/t/guide-twrp-and-root-for-a20e-a202f-updated.4384841/ )
I flashed Lineage 18 enforcing (taken from here https://sourceforge.net/projects/ports-for-a20e/files/Lineage/ )
TWRP confirms a successful flash, I reboot the phone and then there's...