You will need to purchase a special data cable from Sony.
This is what you need:
http://www.mobilefun.co.uk/sony-ericsson-dcu-65-p15369.htm
If you're not in the U.K. then just find that same thing from a U.S. retailer.
Thank you! I am in the uk so will look into it
i cant transfer even with the cable, its not doing anything.
Download software for se - http://gsm-problem.net/sonyericsson.html