Change your ringtone, notification sounds, and alarms to suit your mood or lifestyle.
Choose different sounds from the preset selection or your storage card (except for notification sounds).
From the Home screen, tap
Choose a sound set you want to customize or create a new one, and then tap Apply.
Change the ringtone, notification sound, and alarm from the Personalize screen.
Go to the Messages, Mail, and Calendar apps to choose sounds for new messages, email, and calendar reminders respectively.
HTC ChaCha automatically saves your choices to the current sound set.