Changing Ring Tones

You can choose a ringtone from the preset list on your phone by pressing the settings button --> 1 (User Preferences)--> 1 (Rings) -->  1 (Default Ring).  You will have a list of ringtones you can choose from here.  Scroll through the list using your up/down arrows.  Play a ringtone by highlighting it and then pressing Play.  When you find the ringtone you want, press Select.