It can be annoying if you forget how loud your iPhone volume is set. You can be in a public space and pull up a video but not realize where your volume is set, causing the audio to blare out of your ...

Revive your unresponsive iPhone by forcing it to restart. Additionally, you can try charging the phone or reinstalling iOS.

This is strange (although not a big deal). I just noticed that using the volume buttons on my iPhone4 (5.0.1) no longer allows me to lower the volume to zero - there always remains one visible ...