In above diagram you can see mic and its ways all mic tracks are given in different colors and you can apply jumpers as shown in it.
You can replace mic also with this diagram and following to its tracks you can fix microphone problem in Nokia Asha 303.
for more detail and new tips and tricks about cellphone service problem keep visiting this page we will update cellphone service diagrams timely with new cellphone diagrams.some related post are also given bellow you can read them also for more information about cellphone.
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