11G e n e r a l i n f o r m a t i o n• The PIN2 code, supplied with some SIM cards, is required to access certainservices.• PUK and PUK2 codes may be supplied with the SIM card. If you enter the PIN orPIN2 code incorrectly three times in succession, you will be asked for the PUKor PUK2 code. If you do not have them, contact your local service provider.• The barring password (4 digits) is required when using the Call barring serviceto restrict incoming calls to and outgoing calls from your phone (networkservice).• To view or change the security module settings, if installed, select Menu >Settings > Security > Security module sett.. Software updatesImportant: Use only services that you trust and that offer adequate security andprotection against harmful software.Nokia may produce software updates that may offer new features, enhanced functions, orimproved performance. You may be able to request these updates through the NokiaSoftware Updater PC application. To update the device software, you need the NokiaSoftware Updater application and a compatible PC with Microsoft Windows 2000 or XPoperating system, broadband internet access, and a compatible data cable to connect yourdevice to the PC.To get more information and to download the Nokia Software Updater application, visitwww.nokia.com/softwareupdate or your local Nokia web site.Downloading software updates may involve the transmission of large amounts of datathrough your service provider's network. Contact your service provider for information aboutdata transmission charges.Make sure that the device battery has enough power, or connect the charger before startingthe update.If software updates over the air are supported by your network, you may also be able torequest updates through the device. See “Phone,” p. 34. Download contentYou may be able to download new content (for example, themes) to your phone(network service).For the availability of different services, pricing, and tariffs, contact your serviceprovider.Important: Use only services that you trust and that offer adequate security andprotection against harmful software.