Tip: You can also use the Phone switch app to copy content from other phones later.Access codesPIN or PIN2 code(4-8 digits)These protect your SIM against unauthorised use or arerequired to access some features.You can set your phone to ask for the PIN code when you switchit on.If not supplied with your card or you forget the codes, contactyour service provider.If you type in the code incorrectly three times in a row, youneed to unblock the code with the PUK or PUK2 code.PUK or PUK2 code(8 digits)These are required to unblock a PIN or PIN2 code.If not supplied with your SIM, contact your service provider.IMEI number(15 digits)This is used to identify valid phones in the network. Thenumber can also be used to block, for example, stolen phones.You may also need to give the number to Nokia Care services.To view your IMEI number, dial *#06#.Lock code (securitycode)(min. 4 digits orcharacters)This helps you protect your phone against unauthorised use.You can set your phone to ask for the lock code that youdefine.Keep the code secret and in a safe place, separate from yourphone.If you forget the code and your phone is locked, your phonewill require service. Additional charges may apply, and all thepersonal data in your phone may be deleted.For more information, contact Nokia Care or your phonedealer.Use the user guide in your phoneYour phone has a built-in user guide. It's always with you, available when needed.Select > User guide.18 Get started