Tryed with a w580i as well, but couldnt start the phone after Flash
Used simox SIM_lock_remover patch generator v2.1 with this W580_R6BC002_MAIN_GENERIC_LA_RED52 to make patch. Flash went smooth but....

REMOVE CABLE FROM PHONE
REMOVE BATTERY FROM PHONE, THEN INSERT IT BACK
THEN PRESS "READY"

HOLD "C" BUTTON AND ATTACH PHONE

CID52 BYPASS PROCEDURE FINISHED

ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
Trying to launch embedded bootloader...
INT LDR:DB2020_PRELOADER_FOR_SETOOL2
LDR:DB2020 LOADER FOR SETOOL2
Flash ID check:897E
Flash props sent ok
Going to execute VKP script....
Starting to process VKP patch script: F:\_Upload\SIMLockPatchGen\vkp\Remove_SIM_lock_W58 0_R6BC002.vkp
VKP script loaded OK. Lines: 6
Patch structure created OK. Determining blocks to read...
New block #0000 added: $44600000
Blocks selected OK. Reading blocks: 1
Blocks readed to memory OK. Checking contents...
Blocks patched OK. Start writing...
Block 0 written
VKP script executed OK
Elapsed:377 secs.
ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
Flash ID check:897E
Flash props sent ok
OTP LOCKED:1 CID:51 PAF:1 IMEI:*********** CERT:RED
FLASH CID:52 COLOR:RED
set_gdfs_props failed, exiting
Elapsed:10 secs.

something went Wrong...but what ??? can some help how to do it right