Nokia 5130 Mic Problem solution Ways Jumpers.

If you have a microphone problem nokia 2690.not volte goes to the destination mobile or low voice goes to the destination mobile phone you can solve this problem by using these few steps and with this first step cellphone diagram.in mic contact with multi-meters.

 and then in the second step Mic check points on the board and at board level you can see the connectivity and good value here may be attachment problems between mic and cardboard.

mic is not visible as the value then change mic.and and on board you can not see good value that you can see these items in line with red color, so that continuity can be ok and the microphone broken links can be re-built.