Samsung Galaxy S21 5G (o1s) for iode 7.5
Please see sources and install instructions including recovery here:
https://xdaforums.com/t/rom-unofficial-sm-g991b-lineageos-23-2-for-samsung-galaxy-s21-5g.4790286/#post-90614773
Use it at your own risk!
Please support the developer(s)!