[caption id="attachment_3225" align="alignnone" width="300" caption="Nokia C3-00 Mic Problem Solution Jumper Ways"]
[/caption]in step two check mic and remove it from board and check continuity with meter on board if mic points on board shows that value is correct.then here can be problem in cellphone mic so check mic also and replace the mic for cellphone service.
if mic is ok and value is no good on board then check this link as shown in diagram in red and blue lines.all mic ways are shown with two different colors and on each component a small circle shows where you have to make jumper on that component.
if on a resistance on both side here is circles then we can make jumper at any side of it but if a component have a single circle on one side of component then we have to make jumper on that side only.
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