Samsung SM-j200GU/ds frp
pina reset daw sa ibang technician =))
yon oh.. may frp pala
kaya tinira ko nalang sa Z3X..
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.
Done...
reference only
pina reset daw sa ibang technician =))
yon oh.. may frp pala

kaya tinira ko nalang sa Z3X..
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.
Done...

reference only