Not required. I rebuild the kernel and Android OS from source so now it boots in landscape mode. I also added GSM modem support so now also have data coverage outside WiFi areas. Our LCD device is 480x854. I've swapped xresol/yresol in kern FileZilla Malwarebytes Rufus el frame buffer source code,(...
I am not sure, but the mali driver seems not to be builtin in the debian image.