(8 digits) 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)This helps you protect your phone against unauthorized 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.The personal unblocking key (PUK) code and the universal personal unblocking key(UPUK) code (8 digits) are required to change a blocked PIN code and UPIN code,respectively. The PUK2 code (8 digits) is required to change a blocked PIN2 code.These codes are not supplied with the SIM card. Contact your local service providerfor the codes.Antenna locationsAvoid touching the antenna area while the antenna is in use. Contact with antennasaffects the communication quality and may reduce battery life due to higher powerlevel during operation.Antenna locations 7