Lock or unlock the keys and screenTo avoid accidentally making a call when your phone is in your pocket or bag, lock thekeys and screen of your phone.Slide the key lock switch.Tip: You can also press the menu key, and select Unlock.Set the keys and screen to lock automatically1 Select > Settings and Phone > Display > Screen/keylock time-out.2 Define the length of time after which the keys and screen are locked automatically.12 Get started