@gambitjam
1st thanks for meaningfull posts.2nd. i've one mp3 chinese made player like small ipod .
i used S1fwx program the dump.bin was created by soft in same dir. but when i try to use "repair" it gives me fail error "unknown firmware etc"
3rd. kindly update this thread with somemore information n tools.
once again thanks for the good info.
WBR
the_frightener