SM-G870A unlock fail new security FW PH3

Micro-USB cable:
1. Phone must be powered on.
2. Type *#0808# and select ‘DM+MODEM+ADB’.
3. Type *#9090# and choose ‘DM/DUN over HSIC’.
4. Reboot phone.
Or use ‘Activate Diag’ function from ‘Repair’ tab.
5. Connect USB cable, install drivers if needed.
6. Select Samsung diagnostic port in port settings.
7. Press ‘Unlock’ button for direct unlock.

Operation: Unlock
Selected model:

  • SM-G870A

Selected port: COM282 SAMSUNG Mobile USB Serial Port
Software version: 26.9

Reading phone info…
Reading IMEI… OK
IMEI: 353xxxxxxxxxxxxxxxx
Unlocking… OK
Reseting… OK
Unlock done

Done with Samsung Tool PRO v.26.9