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turn on the sound. See Use Quick Settings. 
  NOTES:   
•  Silent and vibration modes will not silence your alarms. 
•  To restore normal sound settings, press and hold the Volume 
up key. 
Using Do Not Disturb Mode 
You can limit interruptions with Do not disturb mode. This mode 
silences your phone so that it doesn’t make sounds or vibrate 
when you don’t want it to. 
Turn On Do Not Disturb Mode 
1.  Swipe down from the top of the screen with two fingers to 
access the Quick Settings. 
2.  Touch Do not disturb. 
  NOTES: 
•  Press the Volume key when no media application is active to 
show the volume bar. Drag the slider to the left or keep 
pressing the Volume down key to turn on vibration. Press the 
key again to turn on Alarms only. 
•  To turn off Do not disturb mode quickly, press either end of 
the Volume key when the screen is on and then touch TURN 
OFF NOW. 
Set Do Not Disturb Mode Preferences 
You can set allowed and blocked disturbances, or manage rules