20 Creadits taked for the same Phone

pleas blang g930t take crédits but not continued and not unlock
here is the log

[ 10/04/2018 19:38:00 ] Operation: Unlock
[ 10/04/2018 19:38:00 ] Selected model: SM-G930T
[ 10/04/2018 19:38:00 ] Selected port: COM7 Z3X BOX Serial Port
[ 10/04/2018 19:38:00 ] Software version: 31.1
[ 10/04/2018 19:38:00 ]
[ 10/04/2018 19:38:00 ] Checking Login and Password... OK
[ 10/04/2018 19:38:00 ] Ballance: 25 crd.
[ 10/04/2018 19:38:00 ] You have 25 credit(s) left. This operation takes 10 credits.Continue? Yes
[ 10/04/2018 19:38:00 ] Waiting ADB device... OK
[ 10/04/2018 19:38:00 ] Reading phone info...
[ 10/04/2018 19:38:00 ] Model: SM-G930T
[ 10/04/2018 19:38:00 ] Android version: 7.0
[ 10/04/2018 19:38:00 ] PDA version: G930TUVS4BRA1
[ 10/04/2018 19:38:00 ] CSC version: G930TTMB4BRA1
[ 10/04/2018 19:38:00 ] Phone version: G930TUVS4BRA1
[ 10/04/2018 19:38:00 ] Product code: SM-G930TZDATMB
[ 10/04/2018 19:38:00 ] CSC country code: USA
[ 10/04/2018 19:38:00 ] CSC sales code: TMB
[ 10/04/2018 19:38:00 ] Phone SN: R58H32FN4FK
[ 10/04/2018 19:38:00 ] IMEI: 355916072249145
[ 10/04/2018 19:38:00 ] HW version: REV0.6
[ 10/04/2018 19:38:00 ] RF cal date: 2016.03.14
[ 10/04/2018 19:38:00 ] Chip name: MSM8996
[ 10/04/2018 19:38:00 ] Modem board: MSM8996
[ 10/04/2018 19:38:00 ] Security patch: 2018-01-01
[ 10/04/2018 19:38:00 ] Boot Warranty bit: 0
[ 10/04/2018 19:38:00 ] Rebooting phone... OK
[ 10/04/2018 19:38:00 ] Waiting ADB device... OK
[ 10/04/2018 19:39:00 ] Waiting for device to become ready... OK
[ 10/04/2018 19:39:00 ] Initialization zTool... OK
[ 10/04/2018 19:39:00 ] Running zTool, please wait...
[ 10/04/2018 19:39:00 ] Start... OK
[ 10/04/2018 19:39:00 ] Initialization... OK
[ 10/04/2018 19:39:00 ] Generate and check client proof... OK
[ 10/04/2018 19:39:00 ] Verify proof by client... OK
[ 10/04/2018 19:39:00 ] Reading data from phone... OK
[ 10/04/2018 19:39:00 ] Rebooting to upload... OK
[ 10/04/2018 19:39:00 ] Searching Ramdump interface... COM8 detected
[ 10/04/2018 19:40:00 ] Reading data from phone... OK
[ 10/04/2018 19:40:00 ] Calculating... OK
[ 10/04/2018 19:40:00 ] Searching server... OK
[ 10/04/2018 19:41:00 ] Waiting for server answer... OK
[ 10/04/2018 19:41:00 ] Waiting ADB device... timeout
[ 10/04/2018 19:42:00 ] Phone not found

after repeat unlock
[ 10/04/2018 19:42:00 ]
[ 10/04/2018 19:42:00 ] Operation: Unlock
[ 10/04/2018 19:42:00 ] Selected model: SM-G930T
[ 10/04/2018 19:42:00 ] Selected port: COM7 Z3X BOX Serial Port
[ 10/04/2018 19:42:00 ] Software version: 31.1
[ 10/04/2018 19:42:00 ]
[ 10/04/2018 19:42:00 ] Checking Login and Password... OK
[ 10/04/2018 19:42:00 ] Ballance: 15 crd.
[ 10/04/2018 19:43:00 ] You have 15 credit(s) left. This operation takes 10 credits.Continue? No
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and in the second opération the unlock done but it take 10 credits for the sam phone here is the log


g930t unlock done but it take 20 credit 10 credit for fisrt operation unlock (not unlocked) and the second operation for unlock is coste 10 credit for sam phone pleas blang returrn me 10 credits for this phone u are see my log in the first and this time

UNLOCK INSTRUCTIONS:
To unlock:
1. Power on the phone.
2. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options',
go to 'Settings'-'Developer options' and enable 'USB debugging'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Press 'Unlock' button for direct unlock, write your login and password in window if it will appear.
(Login and password will be saved as default after first input and can be changed in settings)

To reset Pattern lock:
1. Power on the phone in download mode (turn off phone, press vol.down + home + power).
2. Connect the phone to PC with USB cable, install drivers if needed.
3. Press 'Reset Pattern Lock' button.

To reset Google account activation lock:
1. ADB must be activated in any way (you can flash sBoot from combination firmware,
make sure, that you are not upgrade sBoot).
2. Connect the phone to PC with USB cable, install drivers if needed.
3. Select device in ADB settings.
4. Press 'Reset FRP' to deactivate Google account activation lock.

To reset Google account activation or Samsung reactivation lock:
1. Power on the phone in download mode (turn off phone, press vol.down + home + power).
2. Connect the phone to PC with USB cable, install drivers if needed.
3. Press 'Reset FRP/React/EE' to deactivate Google/Samsung/EE account activation lock.
(Sometimes needs to perform 'wipe data/factory reset' once more, to complete this locks removal.)

Operation: Unlock
Selected model: SM-G930T
Selected port: COM7 Z3X BOX Serial Port
Software version: 31.1

Checking Login and Password... OK
Ballance: 15 crd.
You have 15 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G930T
Android version: 7.0
PDA version: G930TUVS4BRA1
CSC version: G930TTMB4BRA1
Phone version: G930TUVS4BRA1
Product code: SM-G930TZDATMB
CSC country code: USA
CSC sales code: TMB
Phone SN: R58H32FN4FK
IMEI: 355916072249145
HW version: REV0.6
RF cal date: 2016.03.14
Chip name: MSM8996
Modem board: MSM8996
Security patch: 2018-01-01
Boot Warranty bit: 0
Waiting for device to become ready... 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... OK
Rebooting to upload... OK
Searching Ramdump interface... COM6 detected
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Waiting ADB device... OK
Waiting for device to become ready... 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... OK
Rebooting phone... OK
Unlock done
Done with Samsung Tool PRO v.31.1

thank for answer