Lock code (securitycode)(min. 4 digits orcharacters)This helps you protect your device against unauthorized use.You can set your device to ask for the lock code that you define.The default lock code is 12345.Keep the code secret and in a safe place, separate from yourdevice.If you forget the code and your device is locked, your device willrequire service. Additional charges may apply, and all thepersonal data in your device may be deleted.For more information, contact a Nokia Care Point or your devicedealer.The personal unblocking key (PUK) code and the universal personal unblocking key(UPUK) code (8 digits) are required to change a blocked PIN code and UPIN code,respectively. The PUK2 code (8 digits) is required to change a blocked PIN2 code. Thesecodes are not supplied with the SIM card. Contact your local service provider for thecodes.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: If the key lock switch is out of reach, to unlock the keys and screen, press the endkey, and select Unlock.Touch screen actionsTo interact with the touch screen user interface, tap or tap and hold the touch screen.Open an application or other screen elementTap the application or element.Access item-specific optionsTap and hold the item. A pop-up menu with available options opens.Basic use 11