1. From the home screen, press the Right Soft key to access the Menu.
   
2. Scroll to Settings, then press the Center Nav key.
   
3. Scroll to Phone, then press the Center Nav key.
   
4. Scroll to Security, then press the Center Nav key.
   
5. Scroll to Lock Phone, then press the Center Nav key.
   
6. Scroll to On, then press the Center Nav key.
   
7. Enter the desired password using the keypad, then press the Left Soft key.
   
8. Re-enter the password, then press the Left Soft key.
   
9. To change the password, scroll to Change Phone Password, then press the Center Nav key.
   
10. Enter the current password, then press the Left Soft key to confirm.
    
11. Enter the desired new password, then press the Left Soft key.
    
12. Re-enter the password, then press the Left Soft key to confirm.
    
13. To unlock the screen, enter the required password, then press the Left Soft key.