1. From the home screen, tap Apps.
   
2. Swipe to, then tap Settings.
   
3. Scroll to "Personal", then tap Lock screen.
   
4. Tap Screen lock.
   
5. Tap Pattern.
   
6. Draw the desired pattern, then tap Continue.
   Note: The pattern must touch at least four points on the pattern canvas.
   
7. e-draw the desired pattern, then tap Confirm.
   
8. Enter a backup PIN, then tap Continue.
   
9. Re-enter your PIN, then tap OK.
   
10. Touch, then drag to draw the set pattern to unlock your device.