Surprise everybody!!! I have finally found a real solution! This one should work for everyone who has suffered all of this time with this mic issue.
Can you hear me now?! I'm so sick of getting no response! Thanks Apple!
It has been over three years since the original poster posted his post,...a post to which we have all posted responding posts just to keep each other posted with possible solutions. Now hear this post!
Okay here goes,... you know on the bottom of the phone where you plug in the USB cable to charge? And there are the little screws on the each side??
Well,...check it out!...Get a teeeny tiny screwdriver and...
Actually, I have put together a series of steps to follow, organized so that everyone will understand, hopefully.
It's not that it's hard or anything.
I just have fat fingers!
(see steps listed below)
Step 1...
...for the love of everything that is good, I beg of you, BUY A NEW PHONE! PLEASE! IT'S BEEN ALMOST FOUR YEARS NOW! MOVE ON!! YOU WILL THANK YOURSELF LATER!!! I WILL THANK YOU LATER!! I HAVE MOVED ON! PLEASE! PLEASE? COULD YOU JUST BUY A NEW PHONE AND BE DONE WITH IT?! IF YOU ARE STILL UNDER CONTRACT AFTER ALL OF THESE YEARS, YOU SHOULD HIRE AN ATTORNEY...RIGHT AFTER YOU BUY A NEW PHONE!!! It does not have to be an iPhone! Buy whatever you want! Or,...take one of the free flip-phones or something...anything...just GET A NEW PHONE AND MOVE ON WITH YOUR LIFE!
....And that's it!
Worked for me! Haven't had a problem with the mic ever since! Almost a year! Good luck! You can do it!