OTPAD87 @ 25.02.20, 18:50
You can do to be able to download all firmware versions Magicsee N5 Max (S905X3), if I am not mistaken there are three. 12/25/2019, 11/19/2020, and up to 19.11
11/19/2020 ?? more precisely in '19, that's just out of this firmware from 20,191,119 impossible to make a universal, wi-fi which is left chip