1. To lock the screen, press the Lock key.
    device 2604/1256127.jpg
  2. To unlock the screen, press the Lock key.
    device 2604/1256128.jpg
  3. To lock the keypad, press and hold the Lock/.com key until the keypad is locked.
    device 2604/1256129.jpg
  4. To unlock the keypad, press the Center Nav key.
    device 2604/1256131.jpg
  5. Press the Lock/.com key.
    device 2604/1256132.jpg