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Unable to adjust volume on iPhone 4

Hi,

My iPhone 4 has developed a strange fault. Sometimes when I try to adjust the volume, either with the hardware buttons or using the software interface, the phone registers that I'm changing the volume but it doesn't actually get any quieter (or louder). The problem is the same whether I'm using the headphones or the speaker.

The only way that I can resolve the issue is to turn the phone fully off and then reboot it.

I think this issue only happens once the phone has been connected and then disconnected from my in-car bluetooth handsfree system, although I haven't exhaustively tested this yet.

Anyone got any ideas?

Thanks in advance,

Tom

iPhone 4, iOS 4

Posted on Jul 25, 2010 2:53 PM

Reply
19 replies

Jul 25, 2010 3:17 PM in response to tfm20

If you have an audio external device plugged in to the iPhone's 30-pin connector, the iPhone detects this as a replacement speaker source (ie: BoomBox Alarm Clock recharging dock, car's speaker feed via 30-pin iPod out connection to Ford Sync/Scosche/other stereo system, etc). While plugged in, the volume buttons on the iPhone are disabled.

After removing the external device, the volume buttons will work again. If you have a BT headset that is not an external audio device plugged in the 30-pin connector, the volume buttons work on both the iPhone and BT device. Recharging the iPhone on a non-audio device will keep the volume buttons working.

The BT device you can set the volume to the max and the iPhone you can adjust the audio being sent to the BT device.

Jul 29, 2010 7:51 AM in response to Scoyle17

Any of you guys by any chance have skype installed?

It is a bug with skype - once you make a skype call, it takes over your volume controls and switches the sound to the top speaker. Once you exit skype, it keeps using the top speaker rather than the bottom speaker.

To fix it - open skype, make a call and change the volume to 'speaker' during the call. Then exit skype and sound should be fixed.

Unable to adjust volume on iPhone 4

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