W850i Unlocking Issue

i have a w850i that i want to unlock,i unlocked a K810i b4 without issues but this is killing me,did everything i read in the TUTS but wen i finish flashing and vkp patching its still telling me to insert correct sim....apparently the patch is not writing to phone...look

Going to execute VKP script....
ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
OTP LOCKED:1 CID:49 PAF:1 IMEI:XXXXXXXXXXXXX CERT:RED
FLASH CID:52 COLOR:RED
LDR:061201 1314 HANCXC1329129_DB2020_FLASHLOADER_R2A005
Flash ID check:897E
Flash props sent ok
Starting to process VKP patch script: H:\SIMLockPatchGen\vkp\Remove_SIM_lock_W850_R1KG00 1.vkp
VKP script loaded OK. Lines: 6
Patch structure created OK. Determining blocks to read...
New block #0000 added: $44740000
Blocks selected OK. Reading blocks: 1
Block @ $44740000 read error. Have only: 00000000 bytes
Elapsed:8 secs.


Anyone can help plz?