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Did you add a jumper wire for the 4 pads on the edge under the Audio chip? This is required as that is actually what is causing most of the issues in most cases for audio related issues.
There is one pad under the audio IC that gets loose over time. A jumper wire needs to be put in place as that certain pad provides an intermittent connection and not a solid one.
The 4 pads that are at fault are explained and shown in this video from Jessa at iPad Rehab at around 8 minutes:
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Yes,I have jumper wire for the pads,but still not working.
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Most likely you have a problem with charging ic tristar. Iphone 7 nenabiji se
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Not this reason, I have been change 4 charging ic
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