Factory unlocked iPhone 4, when a call is answered/made neither side hears anything..
 

iPhone 4, factory unlocked. When someone calls me, or I make a call and they answer, neither side can hear ANYTHING. FWIW, BOTH the speaker and mic work - I can make calls over skype just fine. What would be the problem? Thanks in advance!

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Courtesy of WestNet Wireless
www.westnet.ca