What is the little hole next to the earphone jack??

Discussion in 'iPhone Tips, Help and Troubleshooting' started by Groundhog66, Dec 15, 2010.

  1. Groundhog66 macrumors member

    Groundhog66

    Joined:
    Sep 23, 2009
    Location:
    CA
    #1
    I have an iPhone 4, what is that little hole? And why do you think Otterbox leaves it exposed on their Defender case?
     
  2. Intell macrumors P6

    Intell

    Joined:
    Jan 24, 2010
    Location:
    Inside
    #2
    It is the second microphone, its used to filter out background noise on phones calls.
     
  3. mofei1 macrumors regular

    Joined:
    Jul 13, 2008
    #3
    i believe its a secondary microphone for noise cancellation.
     
  4. Groundhog66 thread starter macrumors member

    Groundhog66

    Joined:
    Sep 23, 2009
    Location:
    CA
    #4
    Thanks, that makes sense...I knew it had to be something important :apple:
     

Share This Page