How to unlock my K770i

[vishwen]

thanks.. i've used XS++ instead cause it got some error from setool

14:48:37| XS++ v3.1 (Darwin) Ready !
14:48:37| Executed on Microsoft Windows Vista
14:48:48|
14:48:48| Attempting to open the interface...
14:48:48|
14:48:48| TURN OFF PHONE!
14:48:48| Hold 'C' button on phone and connect phone NOW.
14:48:48| You have 30 seconds...
14:48:48|
14:48:55| Baseband ID: 9900
14:48:55| Protocol Version: 3.1
14:48:56| Warning: IMEI name does not match GDFS name (IMEI:NULL GDFS:K770)
14:48:56| ...using GDFS name
14:48:56|
14:48:56| Profiling SEMC phone...
14:48:56| Platform: DB2020
14:48:56| OTP CID: 51
14:48:56| EROM CID: 53
14:48:56| EROM Color: Red
14:48:56| IMEI: 35238402xxxxxx
14:48:56| Phone ID: K770
14:48:56| Region: HUTCH_1
14:48:56| CDA: 1202-4418 R7A
14:48:56| Firmware Version: R8AB001
14:48:56| EROM: R3A022
14:48:56| Ready for operation!

[riders4sia]

thanks.. i've used XS++ instead cause it got some error from setool

14:48:37| XS++ v3.1 (Darwin) Ready !
14:48:37| Executed on Microsoft Windows Vista
14:48:48|
14:48:48| Attempting to open the interface...
14:48:48|
14:48:48| TURN OFF PHONE!
14:48:48| Hold 'C' button on phone and connect phone NOW.
14:48:48| You have 30 seconds...
14:48:48|
14:48:55| Baseband ID: 9900
14:48:55| Protocol Version: 3.1
14:48:56| Warning: IMEI name does not match GDFS name (IMEI:NULL GDFS:K770)
14:48:56| ...using GDFS name
14:48:56|
14:48:56| Profiling SEMC phone...
14:48:56| Platform: DB2020
14:48:56| OTP CID: 51
14:48:56| EROM CID: 53
14:48:56| EROM Color: Red
14:48:56| IMEI: 35238402xxxxxx
14:48:56| Phone ID: K770
14:48:56| Region: HUTCH_1
14:48:56| CDA: 1202-4418 R7A
14:48:56| Firmware Version: R8AB001
14:48:56| EROM: R3A022
14:48:56| Ready for operation!

Start here for CID53 phone : Flash K800 CID53 with K810 software CID53 (for begginers) - Top Sony Forums
Here to patch : Patching CID53 (DB2020)DB2010,2012 - Top Sony Forums and here for generating simlock patch with your MAIN file : Remove SIM-lock patch generator - Top Sony Forums