To reset Google account activation or Samsung reactivation lock:
1. Power on phone in download mode (turn off phone, press vol.down + home + power).
2. Connect 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.)
Firmware: j120hxxuoape1
Selected model: j510h
Z3x version: 27.5
Operation: Reset FRP/React/EE
Selected model: SM-J510H
Software version: 27.5
Searching Samsung USB Flash interface... COM14 detected
Setup connection... Ok
Reading PIT from phone... Ok
Searching FRP lock... Ok
Erasing FRP lock... Ok
Reset done
For complete reset FRP, goto 'Backup and reset' and make 'Factory data reset'
Done with Samsung Tool PRO v.27.5
1. Power on phone in download mode (turn off phone, press vol.down + home + power).
2. Connect 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.)
Firmware: j120hxxuoape1
Selected model: j510h
Z3x version: 27.5
Operation: Reset FRP/React/EE
Selected model: SM-J510H
Software version: 27.5
Searching Samsung USB Flash interface... COM14 detected
Setup connection... Ok
Reading PIT from phone... Ok
Searching FRP lock... Ok
Erasing FRP lock... Ok
Reset done
For complete reset FRP, goto 'Backup and reset' and make 'Factory data reset'
Done with Samsung Tool PRO v.27.5