ipod sc8051f act_v3.5.35

hi
i have bought a ipod from china it was 8gb but now it have 7.25 full space and no file in it!!!!
i cant format it it has eror and a file named usbx... that cant be deleted please help me
email: bakhshi_khaniki@yahoo.com

I need to receiver the ipod sc8051f act_v3.5.35 firmware.

i weere

hi guys ,
ihave ipod classic, is there any free software to convert movies of all formats