
HTC 7 Trophy
Find "ringtones & sounds"
Press arrow right to access the main menu.
Press Settings.
Press ringtones & sounds.
Select ring tone
Press the field below Ringtone.
Press the playback icon next to the different ring tones to hear them.
Once you've found a ring tone you like, press the required ringtone.
Exit
Press the Home key to return to standby mode.