UPDATE: My iPhone was replaced with a brand new iPhone after being sent to Apple Support, so now that I have my second iPhone, I hope not to see the problem again – or any problems at all.

Recently, I experienced an issue with my iPhone, during phone calls the sound disappeared from the ear speaker, but when plugging in the headset or switching to the speaker (loudspeaker ) the sound was available. I was afraid the iPhone already after a couple of month had to be delivered to Apple Support/Service, but when I turned to my good friend, Google, I found some of methods through which people solved their sound problem:

• Restart the iPhone by holding down the sleep and home buttons until the “Slide to power off” appears.
• Soft reset your iPhone by holding down the sleep and home buttons until the Apple logo appears.
• Restore your iPhone from iTunes (restoring the phone will erase contacts, calendars, photos and other data on the phone, but will restore automatically backed up information including text messages, notes, call history, contact favorites, sound settings, widget settings, etc.).
• Go to Settings > General > Reset > Reset All Settings. It will reset all your settings to its original state and NO harm is done to contacts, calendars, photos or any other data on the phone.
• Plug and unplug headset jack several times.
• Blowing air into the headset jack.
• Blowing air into the ear speaker.

[ad code=1 align=left]

After trying some of the first mentioned methods with no luck, I did the last two – I don’t which one that did the trick, but somehow the sound returned. However, the iPhone must somehow be quite sensitive to dust in these components.

Related posts:

1. Use Apple iPhone Bluetooth Headset with MacBook
2. iPhone Safari Crash Fix