Adjust the volume
• To increase the volume, press the Volume Up key on the right side of your BlackBerry® device.
• To decrease the volume, press the Volume Down key on the right side of your device.
• To mute the volume, press the
key on the top of your device. To turn off mute, press the
key again. If you press
key during a call, your device mutes the call so that you can hear others on the call, but they cannot hear you.
Mute a call, 50
Amplify the volume using the audio boost feature, 132
Improve sound quality for media files, 132