Nokia Lumia 820

Step 1 of 4

Find "ringtones+sounds"

Slide your finger left on the display.
Press Settings.

Step 2 of 4

Find "ringtones+sounds"

Press ringtones+sounds.

Step 3 of 4

Turn vibration on or off

Press the indicator next to Vibrate.
Depending on the current setting, vibration is turned on or off.

Step 4 of 4

Exit

Press the Home key to return to standby mode.