Why does my mic sometimes not work on calls?

[AC Question]

why does my mic not work sometimes on calls

on some calls, my mic will work just fine and they can hear me, but others times they can hear me at all and I have to hang up and call back and it work. what can I do to fix this cause its super annoying

 

[Chris Parsons]

Could be a hardware issue but one way to find that out would be to factory reset the device. If the issue remains after that, then you know it's not the OS and can start looking at hardware issues.