my korg pa800 no style just sound after changed os 2.0.3

[atooraya]

hi everyone i reset my korg pa800 to new OS first i format it than i install 2.0.3 OS and than res 2.0.3 after booting no style some led light are on on the right sid but do nothing and also same on left side but i am able to play some song but no style and i also have some set to my usb try to download but it does not do anything
please help or any advice if you experiencing this issue before thanks and appreciate it : :

[singingray]

The latest version only works on units with serial number commencing 69 if you unit has a prior to that you will need to reinstall the previous OS?
Good luck