Find "Vibrate"
Press the menu icon.

Press Settings.

Press Sound.

Press Vibrate.

Activate or deactivate
Activate vibration:
Press Always, Only in Silent mode or Only when not in Silent mode.
Press Always, Only in Silent mode or Only when not in Silent mode.

To deactivate vibration:
Press Never.
Press Never.

Exit
Press the Home key to return to standby mode.
