I hawe something like this

2,8 totuhscreen)
Code:
http://www.fotosik.pl/pokaz_obrazek/95b6b5a6a5580f32.html
Two days i ago i hawe an excelent idea: chcange a firmware

(i don't know what im thinking). I download onda firmware and i upgreate my player the wrong firmware. Now when i on the player i see on screen onda logo and then i hear the sonud : pip pip.... and nothing i can do.
It is posible to change the difrent firmware???? the point is to do on this player to go to the position when i can change the firmware- but i dont know how?
The upgreate soft on my PC tell me "usb device not found"- and thats is all my problem i dont know how to do (bootloader)
If somebody know please write something what i can try...