What Is FRP ?
F-R-P Aka Factory Reset Protection is A New Security Feature which comes On Android ( 5.1 to 6.0.1 or earlier ) .
Supported Phone or Model :- Galaxy On5 or G550T or G550T1
Follow Instruction Below To Solve This Issue :-
Download ENG_Boot_G550T_PG1_By_masterRt1994.tar From Here.
Put Your Phone In Download Mode and Write This ENG_Boot_G550T_PG1_by_masterRt1994.tar Using ODin.
After Write ENG_Boot Your Phone Will Reboot To Normal - Amazing Part Is That Now ADB Debugging Is Enabled and Now u Know What U Need To dO.
Now Run ADB Commands To Remove FRP Account or Use Professional ToolS Like Volcano Merapi Tool , Miracle Box or GCPro Key.
ADB Commands:
adb devices
adb shell netcfg
adb shell content insert --uri content://settings/secure --bind name:s:user_setup_complete --bind value:s:1
Credits: masterRt1994 and www.all-gsm-solutions.xyz/