1. From the home screen, tap the Apps icon.
   
2. Swipe to, then tap Settings.
   
3. Scroll to "PRIVACY & SECURITY", then tap Security.
   
4. Tap Screen lock.
   
5. Tap Pattern.
   
6. Touch, then drag to draw the desired pattern.
   
7. Tap Continue.
   
8. Touch, then drag to confirm the pattern.
   
9. Tap Confirm.
   
10. Tap the PIN field to set the desired PIN.
    
11. Tap Continue.
    
12. Tap the PIN field to enter the confirm your PIN.
    
13. Tap OK.
    
14. Touch, then drag to draw the set lock pattern to unlock.