Vibration not Working ?

[Perplle]

My vibrate is not working when I put my iPhone silent why ? And when I put the screen to sleep the lock sound is not working neither ?

 

[iCrank]

My vibrate is not working when I put my iPhone silent why ? And when I put the screen to sleep the lock sound is not working neither ?

Is your vibrate even on?

 

[bab2010]

Go to settings> sound/ and there manage your sound and vibration settings the way you want.