Dead player, looking for firmware AT J2091n

[digicom]

Sad Sad
please I need help very soon
i have a Chinese Sony mp3 player with fm radio tuner
the following information is inside the player:
1 GB memory mp3 player
AT J2091n
SAMSUNG 713
K9G8G08U0M
RCB0
CCEE77PA

Now the player is writing ( Starting ... ) when I put the AAA battery inside it and not responding to any thing else even I can not power on the player.

the player was responding before i tried to upgrade the firmware but it seems that i have damaged the firmware. when i connect the player to the computer it says it cannot recognize the new hardware and i can not connect it.

please help please help please help please help please help
Crying or Very sad Crying or Very sad Crying or Very sad Crying or Very sad Crying or Very sad Crying or Very sad Crying or Very sad Crying or Very sad Crying or Very sad
with thanks.[/size]

[lattesurf]

digicom , what kind of player do you have? Is it a USB Thumbdrive style player? A picture of it would be good.