Since this smartphone has same Exynos990 as S20 build, the build for Samsung Galaxy S20F went also fine for 1.15s (r8s)
https://www.androidfilehost.com/?fid=10620683726822078431
Please see sources and install instructions including recovery here:
https://forum.xda-developers.com/t/eol-wip-exynos-rom-unofficial-12-lineageos-19-1-for-galaxy-s20-fe.4499899/
Use it at you own risk!
Please support the developer(s)!