Got a problem with either sim unlock or quick access patch on a w850 ,

If i blow the firmware with the quick access patch it is fine untill it asks checksum differ do i want to process , i click on yes and it bricks the phone and you cant access quick access for the simlock patch

if i click no it seems to access with quick access but it wont then do sim unlock patch

here is the log:

ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
OTP LOCKED:1 CID:49 PAF:1 IMEI:35240101648240 CERT:RED
FLASH CID:52 COLOR:RED
LDR:061201 1314 HANCXC1329129_DB2020_FLASHLOADER_R2A005
Flash ID check:897E
Flash props sent ok

CID52 BYPASS PROCEDURE STARTED
Processing part1...
CSloader version:
070410 1557 HANCXC1250562_DB2020_CSLOADER_R3A009
Processing part2...
Processing part3....
OTP LOCKED:1 CID:49 PAF:1 IMEI:35240101648240 CERT:RED
FLASH CID:52 COLOR:RED
LDR:061201 1314 HANCXC1329129_DB2020_FLASHLOADER_R2A005
Flash ID check:897E
Flash props sent ok

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: C:\Documents and Settings\owner\Desktop\setool2liteV1.11\qamaker\qu ick_access_W850_R1KG001.vkp
VKP script loaded OK. Lines: 1637
Patch structure created OK. Determining blocks to read...
New block #0000 added: $44140000
New block #0001 added: $45CC0000
Blocks selected OK. Reading blocks: 2
Blocks readed to memory OK. Checking contents...
Elapsed:595 secs.
Going to execute VKP script....
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
No ack during phoneid
Phone info read error !
Elapsed:15 secs.