Samsung galaxy J2 pro grand prime pro J250F U2 FRP bypass
after hard reset with connected Gmail account into android phone and don't remember Gmail information you need to break Gmail lock in this case sm-j250f help to pass this problem.
this method pass all versions, if your phone get newer versions please downgrade to below build number.
Requirement files
use in Flash rom: Build Number J250FXXU2ARL1
1- Apex launcher
2- Techno care