If you are still using an S905L2 device today, sticking to the most stable build released in late 2021 is likely your best bet for a smooth experience, provided you can find the specific file matching your board revision.
– be patient.
For the keyword “Amlogic S905L2 firmware 2021”, target Android 9 builds unless you have a low-spec 1GB box where Nougat still feels snappier. amlogic s905l2 firmware 2021