Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_2 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8H7 Safari/6533.18.5) I have an iphone4. Last night it started acting up. I can't hear the caller unless I put it on speaker phone. The caller can hear me though. Does this make sense? Anyone had this problem? My biggest issue is that the closest apple store is 6 hours from me.