Do not connect products that create an output signal, as this may damage the device.Do not connect any voltage source to the audio connector. If you connect an externaldevice or headset, other than those approved by Nokia for use with this device, tothe audio connector, pay special attention to volume levels.Change the volumePress the volume keys up or down.The volume keys control all sounds, including the volume of alarms and reminders.The built-in loudspeaker allows you to speak and listen from a short distance withouthaving to hold the phone to your ear.Switch the loudspeaker on or off during a callSelect .Access codesPIN code(4-8 digits)This protects your SIM against unauthorized use or is requiredto 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 code, contactyour service provider.If you type in the code incorrectly three times in a row, youneed to unblock the code with the PUK code.PUK code(8 digits)This is required to unblock a PIN 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)This helps you protect your phone against unauthorized use.You can set your phone to ask for the lock code that youdefine.Get started 17