Need firmware SinoWealth SH86280 Display: XY-1.8CCV2 (ROHS)

[valera_vv]

I buy from eBay 8gb mp4 plaer (fake of course)
I start copy files in player (ower 4 gb) - player die.
I hawe backup, but i can flash p-rogram give me errors.

here details of my player :
SinoWealth SH86280
PCB : SH86280_DongSheng_502_PGED_V1.1 2008\09\4
MEMORY: SAMSUNG 843 K9GAG08U0M
Display: XY-1.8CCV2 (ROHS)
FM Module : RD2008 QJT2 4708

SW: SH86280_128x160_ACT_V1.05A

plise help me i need faktory tolls to remove memory hack and firmware to reprogram it.