How to Transfer MP3 Files To AT&T Samsung Propel Pro
First please make sure your AT&T Samsung Propel Pro (SGH-I627)support what file format,then you download mp3 files and save them on your pc.we have four different methods to transfer music files both to and from the handset.AT&T Cell Phones Faq
The following is methods list:
1.Using ActiveSync
2.Using Windows Media Player
3.Via Memory Card
4.Download through Shop Tones
I found this method on Samsung official website,click here to learn more.




