1. To lock your device, flip the screen closed.
   
2. To unlock the device, flip open the screen.
   
3. To set a security lock on the device, from the home screen, select Menu.
   
4. Select Settings.
   
5. Select Device Settings.
   
6. Select Security.
   
7. Select desired option.
   Note: For this example Phone Security was used.
   
8. Toggle Phone Lock to On.
   
9. Enter a password and press OK.
   
10. To change the password, scroll to and select Change Password.
    
11. Input the previous password and press OK.
    
12. Enter a new password and press OK.
    
13. Confirm the new password and press OK.