1. From the home screen, tap the Settings icon.
   
2. Scroll to, then tap Lock screen.
   
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. To reset the screen lock, tap Screen lock, then follow the on-screen prompts to set a new screen lock.
   
8. To login into the device using security method, draw the selected pattern to unlock the device.