Hello Tadad1,
This guide is very helpful and u take so much of time for all, Thanks from the bottem of my heart.
my player is dead and i connected to usb port and installed ADFU driver and it shows ur hardware is ready to use, but it does not show drive letter. i try to reset chip couple of times and it detects as ADFU device but does not show drive letter and when i try to update full firmware it says flash not detected

, . i also uninstall the driver and shutdown my computer and after start i connected my player it automatically detects as adfu device and then its all same.
Please help he tadad1 to fix this problem
Thank you