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.
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' and follow the instructions in program.
5. When process done, press 'Back' on phone and perform factory reset from phone settings.
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.
4. After phone reboot, go to settings and perform factory reset.
To reset Google account activation lock with UART cable:
1. Phone must be powered off
2. Connect the phone to UART cable.
3. Select correct COM port in port settings.
4. Press 'Reset FRP UFS' and follow the instructions in program.
Operation: Read Codes via Server
Selected model: SM-G928A
Selected port: COM60 SAMSUNG Mobile USB Serial Port
Software version: 33.5
Checking Login and Password... OK
Ballance: 3 crd.
You have 3 credit(s) left. This operation takes 2 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SAMSUNG-SM-G928A
Android version: 7.0
PDA version: G928AUCS4EQH1
CSC version: G928AATT4EQH1
Phone version: G928AUCS4EQH1
Product code: SM2G928AZDAATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R38G90CAYPM
IMEI: 352566071434728
HW version: REV0.1
RF cal date: 20150912
Chip name: EXYNOS7420
Modem board: SHANNON333
Security patch: 2017-08-01
Boot Warranty bit: 0
Searching server... OK
Checking server answer... OK
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Executing... error (3.8.1)
Reboot phone and try again.
If this repeated then reflash phone and make factory reset.
Done with Samsung Tool PRO v.33.5
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.
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' and follow the instructions in program.
5. When process done, press 'Back' on phone and perform factory reset from phone settings.
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.
4. After phone reboot, go to settings and perform factory reset.
To reset Google account activation lock with UART cable:
1. Phone must be powered off
2. Connect the phone to UART cable.
3. Select correct COM port in port settings.
4. Press 'Reset FRP UFS' and follow the instructions in program.
Operation: Read Codes via Server
Selected model: SM-G928A
Selected port: COM60 SAMSUNG Mobile USB Serial Port
Software version: 33.5
Checking Login and Password... OK
Ballance: 3 crd.
You have 3 credit(s) left. This operation takes 2 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SAMSUNG-SM-G928A
Android version: 7.0
PDA version: G928AUCS4EQH1
CSC version: G928AATT4EQH1
Phone version: G928AUCS4EQH1
Product code: SM2G928AZDAATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R38G90CAYPM
IMEI: 352566071434728
HW version: REV0.1
RF cal date: 20150912
Chip name: EXYNOS7420
Modem board: SHANNON333
Security patch: 2017-08-01
Boot Warranty bit: 0
Searching server... OK
Checking server answer... OK
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Executing... error (3.8.1)
Reboot phone and try again.
If this repeated then reflash phone and make factory reset.
Done with Samsung Tool PRO v.33.5
