HeadsetYou can connect a compatible headset or compatible headphones to your phone.Do not connect products that create an output signal, as this may damage the device.Do not connect any voltage source to the Nokia AV connector. If you connect anexternal device or headset, other than those approved by Nokia for use with thisdevice, to the Nokia AV connector, pay special attention to volume levels.Change the volume of a call, song, or videoUse the volume keys.You can adjust the volume during a call or when an application is active.The built-in loudspeaker allows you to speak and listen from a short distance withouthaving to hold the phone to your ear.Activate or deactivate the loudspeaker during a callSelect or .Lock or unlock the keys and screenTo avoid accidentally making a call when your phone is in your pocket or bag, lock thekeys and screen of your phone.Slide the key lock switch.10 Get started
