I have a samsung m11 which I want to be ported to ubuntu touch,the details of the phone are
https://m.gsmarena.com/samsung_galaxy_m11-10124.php
It has a lineage17.1 unofficial available...
Link: https://sourceforge.net/projects/samsung-m11q/files/CustomRom/Lineage/17.1/test/
Kernel is available in the link
https://opensource.samsung.com/uploadSearch?searchValue=sm-m115f
The current android version is android 11 still it can be downgraded to android 10.The android 10 twrp backup is available.