1. From the home screen, press the Menu key.
   
2. Tap All settings.
   
3. Under the 'General' tab, scroll to, then tap Guest mode.
   
4. Tap the Guest mode switch to toggle Guest mode on/off.
   
5. If prompted, tap OK, then follow on-screen prompts to set up an unlock pattern.
   
6. Tap OK to set up a Guest mode unlock pattern.
   
7. Draw the desired Guest mode unlock pattern, then tap Continue.
   
8. Re-draw the chosen pattern, then tap Confirm.
   
9. Tap Set apps to choose which apps may be accessed through Guest mode.
   
10. To use guest mode, from the lock screen, draw the chosen Guest mode unlock pattern.