As above. I had the same video problem on NAND version on Mini MX 1-8. SD version works well.
Model MiniMX Version 5.1.1
Android Build s905_107L 1.
Kernel version [email protected]#1 Wed Apr 20 11:15:09 CST 2016.
LibreELEC-S905.aarch64-7.0.2.004 SD CARD