Downloading software updates may involve the transmission of large amounts ofdata (network service).Make sure that the device battery has enough power, or connect the charger beforestarting the update.Security settingsPhone and SIMSelect Menu > Settings and Phone > Phone mgmt. > Security > Phone and SIMcard.Select from the following:PIN code request — When active, the code is requested each time the device isswitched on. Deactivating the PIN code request may not be allowed by some SIMcards.PIN code and PIN2 code — Change the PIN and PIN2 code. These codes can onlyinclude numbers. Avoid using access codes similar to the emergency numbers toprevent accidental dialling of the emergency number. If you forget the PIN or PIN2code, contact your service provider. If you forget the lock code, contact a Nokia Carepoint or your service provider.Lock code — The lock code is used to unlock the device. To avoid unauthorised useof your device, change the lock code. The preset code is 12345. The new code canbe 4-255 characters long. Alphanumeric characters and both uppercase andlowercase characters can be used. The device notifies you if the lock code is notproperly formatted. Keep the new code secret and separate from your device.Phone autolock period — To avoid unauthorised use, you can set a time-out afterwhich the device automatically locks. A locked device cannot be used until thecorrect lock code is entered. To turn off autolock, select None.88 Settings© 2010 Nokia. All rights reserved.