need a firmware for DWT mp3/mp4, 4gb, FM, chip:ATJ 2091N
 

hi to everybody,
i have a problem after flash firmware :oops: with my mp3/mp4 player 1.5" 65k LCD color display with 4Gb real, fm radio, picture viewer and some ather stuff... the name of mp3/mp4 player is DWT (digital worl trade) , when it functions well he had this firmware: TJD_9101_20
2007-02-09
9.0.50
2005-01-09

The name chip is: ATJ 2091N (G2055FBC2C) and samsung memory chip

this is a link of my mp4 payer: http://dwtshop.trustpass.alibaba.com...P4_Player.html

Now my player is in status USB mass storage with a black screen.
Please help me i have try a lot of 9.0.50 firmware but the mp3 player update tool say :invalid firmware file.

please i need a help how to do.