you can patch the your phone trust me i know i have K530i to W660i cid53 R8BB001 and i patched the phone using this tut
[cid53] W660 Ultimate Guide - SE-NSE Forums - Sony Ericsson Forum and Community
just follow the steps one by one and you will patch the phone.
or just wate untill tomorrow because i going to patch my k530i to w660i again and this time i am going to record it.