6863 Views 1 Reply Latest reply: Nov 15, 2009 3:36 AM by Ingo2711
Welcome to the discussions,
did you check if the volume is set to max and you can see the volume bar moving up and down if you press the volume buttons, including the symbol for speaker or headset?
Did you try to reset the phone by holding the sleep and home button until the Apple logo comes up?
See also "Troubleshooting iPhone hardware" -Acoustic-speaker/microphone/receiver- for more solutions: http://support.apple.com/kb/TS2802