Please use the THANKS BUTTON ;)
First you must upgrade your phone to CID52.Connect it with XS++3.1,then
XS++ ask you to upgrade the CID.
Alternative:Take a look at here http://www.akshayy.com/sonyericsson/...-to-cid52-red/
Have you make this,then you must read this tutorial http://www.topsony.com/forum/showthread.php?t=6329