I did a format for my player and now I have a problem.
 

I have a Acme V-500X mp4 player (Rockchip rk2608).
After format I see (in player's file's explorer) weird files with weird filenames (If I copy atleast one file). In computer I see only copied files and nothing else.
I tried three filesystems: FAT, FAT32 and extFAT.
This is probably filesystem problem, I reinstalled firmware but that didn't helped me.

Can anyone help me?