ey i have a SDMC DV8040 stb ,SoC-Amlogic S805X,CPU-Quad-core 1.2 GHz,GPU-ARM Mali-450,RAM-1GB,Storage-8GB it currently runs custom made android 9   i want to install Armbian linux to it .. i tried almost every youtube video methods to install but none of them worked .. but i was able to serial communicate with it but functions are limited ..please help me