Additional charges may apply, and all the personal data in your device may bedeleted. For more information, contact a Nokia Care Point or your device dealer.Personal unblocking key (PUK) code and PUK2 code — These codes (8 digits) arerequired to change a blocked PIN code or PIN2 code, respectively. If the codes arenot supplied with the SIM card, contact the network service provider whose SIM cardis in your device.UPUK code — This code (8 digits) is required to change a blocked UPIN code. If thecode is not supplied with the USIM card, contact the network service provider whoseUSIM card is in your device.International Mobile Equipment Identity (IMEI) number — This number (15 or 17digits) is used to identify valid devices on the GSM network. Devices that are, forexample, stolen, can be blocked from accessing the network. The IMEI number foryour device can be found under the battery.Basic useLearn how to use the basic features of your device.Home screenLearn how to use and customize your home screen, and organize the content asyou like.Home screenThe home screen is your starting point where you can collect all your importantcontacts and application shortcuts.When you have switched on the device, and it is registered to a network, the deviceis in the home screen view.Use the scroll key to navigate in the home screen.26 Basic use
