I've manually added /storage/emulated/0/usbStorage to the DEFAULT map list and it's still not working. The weird thing? When i browse to the drive using FX Explorer and share a video file TO MX Player, it DOES work and the file plays. Though MXP first has to do considerable loading before playback.
What am i missing here? I'd like to get this fixed before i leave on a trip the 27th of this month