I done my test on my Samsung s10. I used the audio test screen after typing the # then the numbers. I tested on the 2nd one down. I could hear my voice back but it was very quiet and I could hardly make out what it was saying. I only really knew what it was saying sometimes because I'd just spoke into it. Is my mic broken. I've got a voice recorder on the phone and its clear and I have no problems with calls. This could mean my bottom mic is good though. I really don't know. Help anyone?