Find "Messages - Notifiers"
Press the profile icon.
Press Change Sounds and Alerts.
Press Sounds for Selected Profile.
Press Messages - Notifiers.
Choose message tone
Press the required message type.
Press Try it to hear the message tone.
Press Notifier Tone.
Press Try it to hear the message tone.
Press the required message tone.
Press Try it to hear the message tone.
Save and exit
Press the Menu key.
Press Save.
Press Disconnect to return to standby mode.