How to change folders using the mp4?
1) Stop playing any music first. 2) Press ‘Menu’ button once. 3) Press ‘Menu’ button again to select ‘Local folder’. 4) Press ‘<<' or '>>’ to select which folder you want to listen. 5) Press ‘Menu’ button to confirm (Some different firmware version may use ‘Play’ button). 6) Then it will go back to music menu. 7) Beside folder icon, you can see the folder name that you selected.