J727u 3arf1

hi, trying to unlock:
You have 30 credit(s) left. This operation takes 5 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-J727U
Android version: 7.0
PDA version: J727UUES3ARF1
CSC version: J727UOYM3ARF1
Phone version: J727TUVU3ARA1
Product code: SM2J727UZKZXAR
CSC country code: USA
CSC sales code: XAR
Phone SN: R28
IMEI: 3571
HW version: REV0.7
RF cal date: 20180509
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-06-01
Boot Warranty bit: 0
SIM State: ABSENT
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Reading data from phone... OK
Calculating... error (0 9)
Security damaged (codes are corrupted)
Done with Samsung Tool PRO v.34.8

Brand New Phone, tried with original modem and downgraded it to 3ARA1, but same outcome