The screen blacking out thing might be due to DRAM speeds or timings being too aggressive. I received a manjaro CE phone the other day that does the same thing.

The screen blacking out thing might be due to DRAM speeds or timings being too aggressive. I received a manjaro CE phone the other day that does the same thing. https://forum.pine64.org/showthread.php?tid=9832 https://forum.pine64.org/showthread.php?tid=9832 has more info