Samsung J400F U3 FRP Solution Here
01-Flash With Combination File
02-Go Setting Click Build Number 7 Time Then Show Developer Option
03-OEM Unlock
04-Now Flash With 4 File
Now Done
All File Link Below
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Combination File HEre
https://drive.google.com/uc?id=1Z35c5EzyQWvMR24zDKJnrze_kD3HEvMe&export=download
Full Stock Rom HEre
https://drive.google.com/uc?id=19MaDvuk-iZYXTHzDnuGOK4WnMT8fgBjF&export=download
01-Flash With Combination File
02-Go Setting Click Build Number 7 Time Then Show Developer Option
03-OEM Unlock
04-Now Flash With 4 File
Now Done
All File Link Below
-------------------------------------
Combination File HEre
https://drive.google.com/uc?id=1Z35c5EzyQWvMR24zDKJnrze_kD3HEvMe&export=download
Full Stock Rom HEre
https://drive.google.com/uc?id=19MaDvuk-iZYXTHzDnuGOK4WnMT8fgBjF&export=download