of your device. Updating the software mayalso improve the device performance.To get a notification when new softwareis available for your device, register withMy Nokia, and subscribe to notificationsfor text or e-mail messages. For moreinformation, go to www.nokia.com/mynokia.Warning:If you install a software update, youcannot use the device, even to makeemergency calls, until the installation iscompleted and the device is restarted. Besure to back up data before acceptinginstallation of an update.Downloading software updates mayinvolve the transmission of large amountsof data (network service).Make sure that the device battery hasenough power, or connect the chargerbefore starting the update.After updating your device software orapplications, the instructions related tothe updated applications in the user guideor helps may no longer be up to date.Update software using your PCNokia Software Updater is a PC applicationthat enables you to update your devicesoftware. To update your device software,you need a compatible PC, broadbandinternet access, and a compatible USBdata cable to connect your device to thePC.To get more information and to downloadthe Nokia Software Updater application,go to www.nokia.com/softwareupdate.SettingsYour device normally has MMS, GPRS,streaming, and mobile internet settingsautomatically configured, based on yournetwork service provider information.You may have settings from your serviceproviders already installed in your device,or you may receive or request the settingsfrom the network service providers as aspecial message.You can change the general settings inyour device, such as language, standbymode, display, and keypad lock settings.Access codesIf you forget any of the access codes,contact your service provider.Personal identification number (PIN)code — This code protects your SIM cardagainst unauthorised use. The PIN code (4- 8 digits) is usually supplied with the SIMcard. After three consecutive incorrect PINcode entries, the code is blocked, and youneed the PUK code to unblock it.UPIN code — This code may be suppliedwith the USIM card. The USIM card is anenhanced version of the SIM card and issupported by 3G mobile phones.PIN2 code — This code (4 - 8 digits) issupplied with some SIM cards, and isrequired to access some functions in yourdevice.Lock code (also known as securitycode) — The lock code helps you to protectyour device against unauthorised use. Thepreset code is 12345. You can create andchange the code, and set the device torequest the code. Keep the new codesecret and in a safe place separate fromyour device. If you forget the code andyour device is locked, your device willFind help 9© 2010 Nokia. All rights reserved.