lg m150 unlocked but still locked 5 credits taken

Unable to get comport information , check system
LG 2-3G Tool v9.60
supported models: 1570

Mode: Normal
Model: LGM150AT
Build version: Aug 1 201819:49:16Jul 06 201704:00:00LGM150AT
SW Version: MPSS.JO.2.0.c1.2-00020-8909_GEN_PACK-1.92496.1.104247.1
IMEI: 35371209528488-4
IMEI2: 00000000000000-0
BlueTooth Address: 00:00:01:02:26:00
Phone Code:
Elapsed: 1 secs. --> (v9.60)

Checking Login and Password... OK
Ballance: 20 crd.
You have 20 credit(s) left. This operation takes 5 credits.Continue? Yes
Check adb server status...
Try kill add server... ERROR
Phone mode is NORMAL
Switch to DOWNLOAD mode
Phone detected!
Read security zone...
Laf Protocol: 01000005
Model name: LG-M150
Software verion: M15020n
Android verion: 7.0
Target operator: ATT
Target country: US
Chipset: msm8909
IMEI: 3537120952*****
Save part1... done
Save part2... done
Save part3... done
Sec zone saved: ..\Backup\M150_35371209528****_01062019_131607.lgs b1
Detecting write method...
Init write method... fail
Init misc method... fail
Init sign method...
Execute sign method... done
Checking sign method... done
Reboot...
Phone detected!
Search LG Modem port...
Detected LG Modem port at COM159
Read data from phone...
Check adb server status...
Try kill add server... ERROR
Checking adb...
SW Version: M15020n
Searching server...
Waiting for server answer... error(0)

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Elapsed: 219 secs. --> (v9.60)