1.If you want to convert mp3 to mmf(amr/wav/qcp/wav)
Start MP3 To Ringtone Gold.Click the button "open" or simply drag and drop the songs you want onto the main screen to specify a mp3 file.A graph will show the wave shape.Press the left button of the mouse and drag.Click the button "Play" to adjust the time.Click the button "Stop" Click the button "Option" to set mp3 parameters.Click the button "mmf" (to save as YAMAHA ringtone .mmf).Upload the ringtone files created to your mobile phone or send them by our online sender.

2.If you want to convert CD to mmf(mp3/amr/wav)
Insert an audio CD into the CD drive,Click the button "Extract From CD" or "CD To MP3". Check the songs you want and click "Rip".A graph will show the wave shape.You can make a selerction and save as mmf.If you want to batch resize your favorite mp3s,you should click the button "Big MP3S TO SMALL".Click "Add" to add mp3s.Click "Convert All" to get your mp3 ringtones.

3.If you want to upload ringtones to your cell phone
Connect your cell phone to your PC with a wire provided by your cell phone manufacturer or just buy one. Upload your ringtones to your phone with the software provided by manufacturer (Usually in a online disc ).
Or
Goto website : http://www.funformobile.com/pages/ringtone/uploadRingtone.php to upload your ringtones.You should go to http://www.funformobile.com/pages/main/Register.php to sign up first.To receive your ringtone ,you can read the online help: http://www.funformobile.com/pages/help/helpMain.php .
Enjoy!