LICH is a project in charge of porting roms from the A35,A54 and S21 FE devices to the A51 device.
Telegram Group: https://t.me/LICHROM
Port a35 and a54: for those who just want something simple and without so many functions of the S series.
Port S21 Fe: for those who want to enjoy the features of the S series.
If it comes from an AOSP or STOCK rom:
If it is in a version of lich rom:
NOTE: You can perform a dirty flash on the same ascending variant (example: if you have A54-v1 you can do dirty flashes of A54-v2), keep in mind that this can cause failures.