mp4 player firmware needed

please help me.
I have upgraded the wrong firmware , so the device stoped working .
I have chines mp4 digital player ut312js(11)
please send me the right firmware to my mail :
zenali1989@gmail.com

I WANT TO UPGRADE FIRMWARE TO MY SONY MP4 PLAYER
MY OLD VERSION IS
“MP3 PLAYER
BKSC91N121_30
2007-12-29
9.1.52
2005-01-09”

SO I WANT TO NEW VERSION
PLEASE HELP ME!!!

I WANT TO UPGRADE FIRMWARE TO MY SONY MP4 PLAYER
MY OLD VERSION IS
“MP3 PLAYER
BKSC91N121_30
2007-12-29
9.1.52
2005-01-09”

SO I WANT TO NEW VERSION
PLEASE HELP ME!!!

REPLY ME: phoesweet@gmail.com
send me quick!!!

i need help updating my mp4 the firmware version i have is: act2091_s75
2006/10/09
9.0.48
2006/09/12

I have a sony mp4 player that only plays avi format videos. How do i upgrade toone that can play all formats.

I have a sony mp4 player that only plays avi format videos. How do i upgrade toone that can play all formats.

I WANT TO UPGRADE FIRMWARE TO MY advance MP4 PLAYER

“MP5 advance M2 PLAYER”


SO I WANT TO NEW VERSION
PLEASE HELP ME!!!

REPLY ME: djarotoncon@gmail.com