673 Views 1 Reply Latest reply: Dec 18, 2012 7:50 AM by brad805
Currently Being ModeratedDec 18, 2012 7:50 AM (in response to lertsak)
Secondary microphone is faulty. To be certain, Restore iPhone with iTunes 10.7 or 11 on computer. See if better. If not, make Genius reservation or set up service and take or send to Apple for resolution.