no clicking sound when changing screens

[ricking]

hi new at this ...but i used to here a clicking sound when unlocking my screen and clicking on a app? all my settings are for on sound.. help me what happen i have att 5.0.1 os 16 gb iphone 4

 

[anon(157335)]

You should hear a sound when swiping the slider to unlock the phone, but there is no sound when you tap an app icon.