Your phone may not support MP3
as a ringtone (check your phone manual). You may require a
different format ie AMR, AWB or WAV. You can convert the
MP3's to your phone's required format see below AMR and AWB
users convert with Nokia Multimedia Converter 2 (Free Download,.
WAV users convert with
Media-Convert is
100% free. No software is needed, and you don't have to
register. You only need your favorite Internet browser. Your
files are ready 7/7 days 24/24 hours.