Warning:If you install a software update, youcannot use the device, even to makeemergency calls, until the installation iscompleted and the device is restarted.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.hk/softwareupdate.Access codesPIN orPIN2code(4-8digits)These protect your SIM cardagainst unauthorised use orare required to access somefeatures.You can set your device to askfor the PIN code when youswitch it on.If not supplied with your SIMcard or you forget the codes,contact your service provider.If you enter the codeincorrectly three times in arow, you need to unblock thecode with the PUK or PUK2code.PUK orPUK2code(8 digits)These are required to unblocka PIN or PIN2 code.If not supplied with your SIMcard, contact your serviceprovider.IMEInumber(15digits)This is used to identify validdevices in the network.To view your IMEI number,dial *#06#.Lockcode(securitycode)(min. 4digits orcharacters)This helps you protect yourdevice against unauthoriseduse.You can set your device to askfor the lock code that youdefine.Keep the code secret and in asafe place, separate from yourdevice.If you forget the code andyour device is locked, yourdevice will require service.Additional charges may apply,and all the personal data inyour device may be deleted.For more information, contacta Nokia Care Centre or yourdevice dealer.8 Find help© 2011 Nokia. All rights reserved.