j337T tmobile unlock 33.8 version 20 credits gone not unlock

hello z3x team

i lost 20 credits for unlocking j337t unit not unlock

kindly refund my credits sir
login: zsc_jmU6nPuy

my logs
Operation: Unlock
Selected model: SM-J337T
Software version: 33.8

Checking Login and Password... OK
Ballance: 25 crd.
You have 25 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-J337T
Android version: 8.0.0
PDA version: J337TUVU1ARDL
CSC version: J337TTMB1ARDL
Phone version: J337TUVU1ARDL
Product code: SM2J337TZDATMB
CSC country code: USA
CSC sales code: TMB
Phone SN: R28K62M081H
IMEI: 354272094948913
HW version: REV0.7
RF cal date: 20180625
Chip name: EXYNOS7570
Modem board: SHANNON305
Security patch: 2018-05-01
Boot Warranty bit: 0
Searching server... OK
Checking server answer... OK
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Executing... OK
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Waiting ADB device... 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 from phone... error (4.10.0)
Retry 1...
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... error (4.10.0)
Retry 2...
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... error (4.10.0)
Retry 3...
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... error (4.10.0)
Retry 4...
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... error (4.10.0)
Retry 5...
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... error (4.10.0)
Retry 6...
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... error (4.10.0)
Retry 7...
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... error (4.10.0)
Retry 8...
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... error (4.10.0)
Retry 9...
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... error (4.10.0)
Retry 10...
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... error (4.10.0)

Done with Samsung Tool PRO v.33.8

kindly refund my credits sir