Smart Lock gives you a faster way of unlocking your phone than entering a password, PIN, or pattern. 
	 
 You can set up your phone to detect your trusted device, place, or your voice, before you can unlock the screen. This is a good alternative to add if you often forget passwords.
 
	 -  
		  Go to 
				Settings.
			  
		
-  
		  Do one of the following: 
			  
		   
			 - Tap 
				Security & location. 
			 
- Tap 
				Security. 
			 
 
-  
		  Tap 
			 Screen lock, and then select and set up a screen lock. 
		   
		  This will be your backup screen lock method. 
		   
		
-  
		  Under 
			 Device security, tap 
			 Smart Lock. 
		   
		
-  
		  Confirm your screen lock. 
		   
		
-  
		  Choose what you want your phone to detect before it unlocks. 
		   
		
-  
		  Follow the onscreen instructions.