samsung t679 error in v13.0 success in v12.7

samsung t679 Reading security... error access denied

eto po ang larawan sa Z3X Samsung Tool v13.0




eto naman po larawan sa Z3X Samsung Tool v12.7

procedure:

bago ko siya na unlock uninstall ko muna v13.0 then install ko v12.7
open Z3X Samsung Tool v12.7
salpak battery sa unit
saksak usb cable
tick Read Info
tick Unlock wait until finish
done!