How to Hard Reset J2 Pro when forgot Screen Pattern Lock.
Samsung Galaxy J2 Pro 2018 ( Samsung SM-J250F) use Android Nougat 7.1.1 when forgot Screen Pattern Lock or Password Code, We will not go to the main screen. We need to reset factory settings for normal use. Hard Reset is a free and easy to implement solution.
However, this solution will cause your j2 pro to lose all personal data.

Hard Reset Samsung Galaxy J2 Pro Steps:
1. Turn off phone ( remove the battery then insert back ).
2. Press and Hold 3 key Volume Up + Home + Power until the logo image is released.
waiting for a few minutes j2 Pro phone will enter Recovery mode
3. Use volume up and volume down keys to move, Choose the lines one after another
Wipe date / Factory Reset
Wipe cache partition
Reboot System Now
Here we wait a few minutes for the phone to reset the manufacturer’s data. When the phone starts up, we set up and use it again normally.
Please see detailed video
How To Hard Reset Samsung J2 Pro 2018-Gsm Hung Vu.
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