LG KU990 Mic Solution Jumper Ways
https://gsmfixer.blogspot.com/2015/12/lg-ku990-mic-solution-jumper-ways.html
LG KU990 Mic Solution Jumper Ways Hardware repair diagram solution. The most important thing to confirm whether the mic is working fine or not. Mic is faulty then replace it with new one otherwise go for the solution as shown in the diagram. Trace the ways and make the jumpers carefully.
This phone diagram for Lg ku900 only. Do not try this trick on other cellphone.
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