The easiest way I found to save mp3s as a ringtone is to edit the mp3 to a size of about 195KB, (about 30 seconds worth of a song you like), on your micro sd card there is a folder named my_sounds. Place the edited mp3 file into that folder. Put the card back into the phone, in the menu go to media center/music & tones/my sounds/and scroll down to and hi-lite the file you edited. Once your mp3 file is hilighted hit the options button at the tpo right of your phone/send/and type in your phone# and send it to yourself as a text message. At this point you can save the file as a ringtone.
