Faild to Unlock S7 G930T U9 Bit9 (with TMB Server) HELP CAN'T DOWNGRADE

[ctccellulaire]

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: COM130 SAMSUNG Mobile USB Serial Port
Software version: 36.2

Checking Login and Password... OK
Ballance: 10 crd.
You have 10 credit(s) left. This operation takes 8 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G930T
Android version: 8.0.0
PDA version: G930TUVS9CSB2
CSC version: G930TTMB9CSB2
Phone version: G930TUVS9CSB2
Product code: Not Active
CSC country code: USA
CSC sales code: TMB
Phone SN: xxxxxxxxxxxx
IMEI: xxxxxxxxxxxxxxxxx
HW version: MSM8996.00
RF cal date: 2016.02.24
Chip name: MSM8996
Modem board: MSM8996
Security patch: 2019-02-01
Boot Warranty bit: 0
SIM State: ABSENT
Rebooting phone... OK
Waiting ADB device... OK
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Rebooting to upload... OK
Searching Ramdump interface... COM9 detected
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... error (1)

Done with Samsung Tool PRO v.36.2