http://www.youtube.com/watch?v=3zeu7zX0Z4I
FOLLOW THIS ADRES U WILL B ABLE 2 KNOW ABT MY MP4 PLAYER ITS FROM COMPANY DIGI MP4 PLAYER 2GB,,,,,WHEN I OPENED THE PLAYER I FOUND A SAMSUNG CHIP INSIDE SAMSUNG 728 K9G8G08V0M
PLZZ PLZZ TEL ME WHICH FIRMWARE FILE WORK ON IT