iPhone 4 mic not working

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Reball or replace the IC marked with red circle

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Samsung Young 2 SM-G130H Power On Off Jumper

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Samsung Young 2 SM-G130H Power On Off Key Jumper, Track, Ways Samsung Young 2 SM-G130H On Samsung Young 2 SM-G130H In the power ON-OFF, other than it is in the matrix keyboard flex is also connected to the keyboard filter IC. The solution below shows the connection line paths of the power key, this is useful without changing the filter IC and this can be used without having to connect the power key filter IC.
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