[help] lost DSP APP, no sound

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mrcio89a

New member
Jan 21, 2022
4
0
hello,

some time ago i bought an android radio for my audi a3,

recently i installed the mic the next day somehow the sound stoped working,

i did factory resets and deleted the DSP app by mistake, a new dsp app appeared that is orange, the other was green, the sound still doesn't work,

im trying to find the green app online but no success,

the amplifier chip is ic tda7851l

firmware is 8227l

the radio is this:



thanks, need help
 

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Last edited:

SOFO888

Senior Member
Jan 28, 2013
253
41
I guess then there is no other possibility.
The problem is that all the China headunits have some software made by the manufacturer. As long as you do not get the original software from the manufacturer it is impossible to do anything.