[Hitman]

first install the mp3 player utilities v 3.68 then connect the mp4 and you will see a Found New Hardware screen after you give all you pc will recognize it as adfu device then is ready to install the firmware then open the mp3 player upgrade tool and a window of recovery mode look for the firmware I sent you to load and then you give in and begin upgrading the firmware is installed and will extract safely disconnect it and just turn on the mp4 should work with this good luck ¡