how to G3 D852 unlock??z3x

need help to unlock LG G3 D852 to unlock showing error

LG 2-3G Tool v9.12
supported models: 1170

Reading timeout, check cable
Error Code: ReadInfo,1,1
Elapsed: 2 secs. –> (v9.12)

Mode: Normal
Model:
Build version: xð~
SW Version:
IMEI: BAD IMEI
BlueTooth Address: 00:00:00:7E:BB:01
Phone Code:
SPC:
Elapsed: 0 secs. –> (v9.12)

Direct unlock
Working with security zone
Checking phone at COM38
No answer from phone ERROR
Elapsed: 4 secs. –> (v9.12)