1. From the home screen, tap the Settings icon.
   
2. Scroll to, then tap Security.
   
3. Tap Screen lock.
   
4. Tap the desired security option.
   Note: This tutorial selects 'Pattern.'
   
5. Draw the desired pattern, then tap CONTINUE.
   
6. Re-draw the pattern, then tap CONFIRM.
   
7. Select the desired option, then tap DONE.
   
8. To unlock your device, draw the selected pattern at the Lock screen.
   
9. To change the lock screen, from the 'Settings' screen, tap Security.
   
10. Tap Screen lock.
    
11. Draw the current unlock pattern.
    
12. Tap the desired option, then follow on-screen prompts to set up a new Lock screen.