Is there a 3.5.37 version for this player?? or newer?? Help

[:No-Frost:]

I'm looking for a new firmware... I had the next player (info):

Firmware = 3.5.35
Board Chip = ATJ2085W F5099AB 55I
Board Id = HJ-CSTN V02 2006.03.28 J
Memory = Samsung 1GB K9K8G08U0A PCB0 FUC561PB
Screen 15" (128x128)

I've already read that to update my firmware I must find someone with the same chip... But I don't know if it's onlye the chip or must be the board 2...

Please, the firmware I actually had it's not very nice (theme) and the function of it it's not very comfortable... I have heard that 3.5.37 it's faster and comes with an improved file support for more than 99 songs per folder... thanks a lot for your help...