help me how can unlok a310f by z3x

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Operation: Unlock
Selected model: SM-A310F
Software version: 30.9

Waiting ADB device... OK
Reading phone info...
Model: SM-A310F
Android version: 7.0
Product code: SM-A310FZDDCAC
Phone version: A310FXXU3CQF8
PDA version: A310FXXU3CQF5
CSC version: A310FOJV3CQF6
CSC country code: UAE
CSC sales code: XSG
HW version: MP 0.200
Phone SN:
Chip name: EXYNOS7580
Modem board: SHANNON310
Security patch: 2017-06-01
RF cal date: 20170113
IMEI: 358988075198006
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Writing zTool... OK
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data... error (1 19)
Initialization zTool... error (0 1)
Try downgrade modem if possible

Done with Samsung Tool PRO v.30.9