J710F unlock Problem

[haji rahim]

UNLOCK INSTRUCTIONS:
To unlock NEW security type:
Phone must be rooted!
If the software can't root the phone automatically,
then you must root your device manually.
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 and select 'New Unlock' for direct unlock.

To unlock OLD security type:
1. Power on the phone.
2. Connect the phone to PC with USB cable.
3. Check Samsung modem in device manager, install drivers if needed.
4. Press 'Unlock' button and select 'Unlock' for direct unlock.

To read security codes (all security types):
1. Power on the phone.
2. Connect the phone to PC with USB cable.
3. Check Samsung modem in device manager, install drivers if needed.
4. Press 'Read codes' button to read security codes.

To read security codes via diagnostic port:
1. Power on the phone.
2. Type *#0808# and select 'DM+MODEM+ADB'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Press 'Read Codes DIAG' button to read security codes.

Operation: Unlock
Selected model: SM-J710F
Software version: 30.8

Waiting ADB device... OK
Reading phone info...
Model: SM-J710F
Android version: 6.0.1
Product code: SM-J710FZKUSER
Phone version: J710FXXU4BQL3
PDA version: J710FXXU3AQF8
CSC version: J710FOXY3AQF2
CSC country code: Russia
CSC sales code: SER
HW version: MP 0.400
Phone SN: RF8J91NGHZZ
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2017-06-01
RF cal date: 20170915
IMEI: 355100083219526
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... 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 (0)
Try downgrade modem if possible

Done with Samsung Tool PRO v.30.8