This is another solution we spotted for Samsung Champ C3300k Not working microphone problem. This solution below is a modifying method on replacing the 5 pin digital microphone with the standard two pin microphone. This may help if you having hard time finding a new replacement microphone, but if you have a replacement spare just replace the microphone and disregard this solution.
The method is by using a 5K resistor to other mic terminal then soldered both the positive and ground pins of the standard microphone... We've not already tried it, so just try it by yourself.
