Unlock SAMSUNG SM-J710MN

[GsmOrient]

Hello
I tried unlock samsung SM-J710MN but i have these error

UNLOCK INSTRUCTIONS:
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 for direct unlock.

To read security codes:
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.

To reset Google account activation or Samsung reactivation 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/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-J710MN
Software version: 30.8

Waiting ADB device... OK
Reading phone info...
Model: SM-J710MN
Android version: 7.0
Product code: SM-J710MZKUTTT
Phone version: J710MNUBU4BRA1
PDA version: J710MNUBU4BRA1
CSC version: J710MNUUB4BRA1
CSC country code: TRINIDAD AND TOBAGO
CSC sales code: TTT
HW version: MP 0.400
Phone SN: RF8JB0HK5SW
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-01-01
RF cal date: 20171105
IMEI: 357933078820595
Checking Super user right... true
Reading NV data... OK
Checking NV data... 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 (0)
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)

Done with Samsung Tool PRO v.30.8


I did root via EFT BUT
Regards.
GsmOrient.

[shedeed]

You need to downgrade Modem You Have Latest binary