works on any iphone model. here i’m using my new 3G S. I’m using iTunes 9.2 Basic Quick Explanation on How to Do This: 1) Take your mp3 file, put it in audacity or whatever you use to cut mp3 files 2) Render/Export your 30 second or less ringtone clip 3) Open the new mp3 you just rendered in itunes. 4) Right click the song in itunes and click on “Convert to AAC Format” 5) Go to My Documents/My Music/iTunes/iTunes Media/Music/Name of Artist of Song You Converted/Name of Album 6) Once you’re …