Let your battery dried to 14% below plug the charger let it charge for a second then unplug it battery info will appear clicck it automatically you will go to battery info click the back (settings) then go to application manager look for samsung account and samsung account manager disable it then look for google account manager, google services framework, google play service ang playstore and gapps disable them also then press home. Your phone will open again then enable them again and add accountin your account .Give it a try.