Debrand & unlock sim lock my SE W580i

Can some body guide me how to debrand & unlock sim lock my SE W580i, i had follow an instruction from this link
XS++ 3.1 Guide-Flashing,Customizing,Recovering - Top Sony Forums

after flash firmware MAIN & FS follow by customize, unplug the cable reinsert
sim card and batt, when i switch on
the phone an error msg out Insert Correct SIM Card. I wonder what went wrong. Here are the tool i m using.

Software : XS++ V3.1
Main : W580_R8BA024_MAIN_HONG_KONG_LA_RED52
FS : W580_R8BA024_FS_HONG_KONG_RED52
Custpack : W580_CDA102568_104_R8A_GENERIC_HONG_KONG

You did flash your phone, but you need unlock it.
Look here:

General Information about Patch-Unlocking (start here if you want to unlock)

Remove SIM-lock patch generator

Nice day