Warning:If you install a software update, youcannot use the device, even to makeemergency calls, until the installation iscompleted and the device is restarted.After you update your device software orapplications, the instructions in the userguide may no longer be up to date.Update device software andapplications using your deviceYou can check if there are updatesavailable for your device software or forindividual applications, and thendownload and install them to your device(network service). You can also set yourdevice to automatically check for updatesand notify you when important orrecommended updates are available.Select Menu > Applications > Tools >SW update.If there are available updates, selectwhich updates to download and install,and select .Set your device to automatically checkfor updatesSelect Options > Settings > Auto-checkfor updates.Update device software using your PCYou can use the Nokia Software UpdaterPC application to update your devicesoftware. To update your device software,you need a compatible PC, a high-speedinternet connection, and a compatibleUSB data cable to connect your device tothe PC.To get more information and to downloadthe Nokia Software Updater application,go to www.nokia.com/softwareupdate,or in Latin America, www.nokia-latinoamerica.com/nsu.Accessibility solutionsNokia is committed to making mobilephones easy to use for all individuals,including those with disabilities. For moreinformation, visit the Nokia website atwww.nokiaaccessibility.com.Access codesPIN code — This code protects your SIMcard against unauthorised use. The PINcode (4 - 8 digits) is usually supplied withthe SIM card.PIN2 code — This code (4 - 8 digits) issupplied with some SIM cards, and isrequired to access some functions in yourdevice.If you forget an access code, contact thenetwork service provider whose SIM cardis in your device. After three consecutiveincorrect PIN or PIN2 code entries, thecode is blocked, and you need the PUKcode to unblock it.PUK code and PUK2 code — These codes (8digits) are required to change a blockedPIN code or PIN2 code, respectively. If thecodes are not supplied with the SIM card,contact the network service providerwhose SIM card is in your device.IMEI number — This number (15 or 17digits) is used to identify valid devices inthe GSM network. Devices that are, forexample, stolen, can be blocked fromaccessing the network.Lock code (also known as securitycode) — The lock code helps you to protect18 www.nokia.com/supportCyanCyan MagentaMagenta YellowYellow BlackBlack