Hi, i need help for find firmware:
Chip: ATJ2091N
Screen: Giantplus kfm136f01-1b 1.5''
Main board: i see only this numbers:
Side of the screen:
Other pics :
History:
1.-Turn my mp3, freezes and get an hourglass:

2-I put device on recovery mode (short-circuit) and windows recognize as an ADFU server device .
3.-I start mp3 update tool and recognize.
4.-I tried some firmware from
http://www.mympxplayer.org/actions-9...mare-dc37.html , and press Begin upgrading:

5-Left of screen is blank, 'Device firmware information'. During the process of updating the program says that you can not continue.
6-Now, i start mp3 and dont show the clock sand.
Someone help me find a firmware.
Thanks