The BlackBerry 8830 has many capabilities, including built-in GPS, wireless Internet and email. And, like any other phone, the 8830 comes with dozens of ringtones with the added ability to download additional ones. Setting a ringer and turning it on are some of the simplest and most important steps to using the BlackBerry 8830.
Click on the “Profiles” icon on your home screen and scroll to the bottom of the list to select “Advanced.”
Highlight your “Active” profile using the trackball, and then press the BlackBerry menu key and select “Edit.” This will open a list of options for that profile, including the ability to turn on the ringer.