MyMPx.org - firmware for bks25056

need firmware for syngery mp4 player bks25056_mv6a
I mention that the player is completly dead:) adfu device detected only
I tryed all firmware that resulted from search, but they are rejected by the mp3 recovery firmware (invalid upgrade firmware file
here is the product link of the syngery: Syngery Electronics
I opened it last night and it's kind of complicated (with me it's always complicated:)) )
board id:
bks25056_mv6a
no:071116
cpu:AK1025
display: here is what on the top of the display is written: bg999100a-v0.0(s) dgh-0201v-7he 080809 a8
bottom of the display is written: dfm-101c-nl-wd. hhgc801
The player looks like a mini Ipod.
The player details are the next one:
Display size: 1.8''
Storage: 4gb
Radio:FM