Thanks for helpfull reply.
I have a little problem!

ops:
I flashed the file with Media Product Tool 5.19 and i see the next error message:
Not found win32hdll.dll!
Read file error because SoftDog count is zero or password is not correct.
This application is not free?
After this flashed firmware with MP3 Player Utilities 4.19 and it making same. The MP4 Player restart and blank screen.
After this, i extract .bin file to .fw file with sfwx and this flashing the device, but after update restart my MP4, i see blank screen on device, but the buttons is funktioning.
With an other firmware the device display give lifesign, but the buttons not funktioning and give battery low message and the MP4 shutting down.
This firmware is: B806K8V1.1
My screen is:
PCB-F214DBB
DMG128E140
My MP4 Player have FM Radio.
I see other firmware on s1mp3.net, these similar, like my. I don't know, that these working with my MP4 Player and i don't downloding that.
I find these:
lw-mp9804-1.8cstn-v1.1-1G(tq).BIN
VP869-2091-紫光-V3。0\2091H-dump.BIN
LW-MP9804-2091N-七个按键-竖显-FM-48-(02-02)\software-2091N-七个按键-竖显-FM-48-(02-02).bin
sd5030_For6Key_v1.2.bin
Don't be angry with this daze, but i like, if my MP4 operate... :roll:
Plase reply! Very Thanks