verizon has the same problem... easy way to fix this..
go to itunes and find the mp3
go to info, and edit the length of the song to about 30-45 seconds or so... go to the preferences and where you can select what the audio converter converts it to, switch to .wav.....
make a copy of the song and check to make sure that it is the 30 seconds or so that you told it to be...
find out the email address of your phone... usually it's your phone
number@yourserviceprovider.com
email the song as an attachment to your phone..
you should get it as a video or picture message..
download it, usually you will be charged, but if you have free texting of any kind, you're set....
you'll dl it, but it'll save as a sound file.. and just change your ringtone from there
and i can vouch for the method and say it works, my current ringtone is big L-"Flamboyant"... not something you can find in mp3 stores... not with the "bartenders" and "lollicocks" that are dled a million times a day