I have a couple of minimxiiis, both running 8.0, and they run like a dream. I tried android (kodi jarvis and spmc) when I bought the first box, and LE has been a much better experience.
Best Android firmware for this device presently:
613673-minix-neo-u1-firmware-port-for-minimxiii-ánd-mini-mx-prerooted-twrp-recovery