Tried using the following image Armbian_20.05.5_Aml-s812_bionic_current_5.7.0-rc6_20200523.img set the DB file as meson8m2-mxiii.dtb in the uEnv file. but so far no screen / or ip.
Tried the following image and the same thing , Armbian_20.07_Aml-s812_bullseye_current_5.8.0-rc3.img
Also tried removing "logo=osd1,loaded,0x7900000,${hdmimode},full " from the uEnv file.