You can turn off the shutter sound by setting the ringer and notifications volume to silent or vibrate mode. 
	 
- 
Go to 
			 Settings. 
		  
 
- 
Depending on the phone model, do one of the following: 
		  
 
- 
Drag the 
			 Ring volume slider all the way to the left. 
		  
 
		After capturing the screen, turn up the 
		Ring volume so you won't miss calls, messages, and other notifications.