CAn somebody please help me unlock my w58oi??

so heres the deal ... since i am a complete noob at this, i updated my phones firmware from cid52 to cid53 using the sony ericsson firmware update thing..since then i am not able to use my cellphone cus everytime i turn it on it says "insert correct smartchip" wtf?

its locked to at&t right now..im in asia..i bought the phone in asia but i dont understand why it is locked to at&t...

anyway.. i tried using setool but it says "cant read loader chain"

i also tried with far and jdflasher but i still get the "insert correct smartchip" message

HERE IS MY CELLPHONES specifications and whatnot

welcome to setool2 lite edition v 1.08
supported DB2010/DB2012 CID49/50/51/52, DB2020 CID49/51/52
Loaded 51 flash descriptors

ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:53
Speed:921600
Flash ID check:2019
Flash props sent ok
OTP LOCKED:1 CID:51 PAF:1 IMEI:01162900082452 CERT:RED
FLASH CID:53 COLOR:RED

MAPP CXC article: R8BE001 prgCXC1123362_GENERIC_LA
MAPP CXC version: R8BE001
Language Package:CINGULAR
CDA article: CDA102774/102
CDA version: R25A
Default article: cxc1123364
Default version: R8BE001

Network LOCKED
Operator: MULTIPLE

Elapsed:6 secs.

I searched all of TOP SONY but i havent been able to figure out how to unlock my phone and get past the "insert correct smartchip"
PLEAAAAAAAAAAAAAAAAAAAAAASE someone HELP Me

right now i have with me the following files

W580_R8BE001_MAIN_GENERIC_LA_RED53.mbn
W580_R8BE001_FS_EUROPE_2_RED53.fbn
HB1-06_Gen_CDA102568_11_R8A_GENERIC_EUROPE_2

help!!! :(

Patching CID53 (DB2020) and any CID (DB2010,DB2012)

i came up till the "please wait" screen and then back again to the "insert correct smartchip" !!!

i dont know where i went wrong!!
the tutorial on the website says to run executor from my mobile phone but how can i do that if i cant even get past the "insert correct smartchip" screen?? :/

unlocking CID53 phones need the original simcard which was locked to. The best way to unlock your phone is to use Omnius. Read here : Top Sony Forums - Buy Omnius License