Root Samsung Galaxy j1 2016 SM-J120F, SM-J120FN, SM-J120G

finally we have a twrp for your Samsung Galaxy j1 2016 SM-J120F, SM-J120FN, SM-J120G

STEPS:
1 - Unzip file on your computer;
2 - Open Odin folder and copy the supersu zip file to your internal memory (without unzip it);
3 - Open Odin (double click on blue icon);
4 - Click on "AP" icon and select the twrp tar file on Odin folder (j1 (6).tar);
5 - Turn on "Unlock OEM" and "USB Debugging" on Delevoper Options (Actvating Delevoper Options: seven clicks on Build Number - Software Info);
6 - Turn off your phone and turn on again holding Volume Down + Home Button + Power Button (Download Mode). When a screen with some texts appears, release all buttons and press Volume Up again to activate the Download Mode;
7 - After this, connect your phone to your computer and click Start on Odin. Wait until your device restarts;
8 - Disconnect your phone to your computer and turn it off. Turn it on holding Volume Up + Home Button + Power Button (Recovery Mode). When your phone vibrates and appears J1 6 logo, release all buttons. If worked, TWRp will starts;
9 - Select the language, click on Read Only and the TWRP starts. After this, click on Install and search The Supersu zip you copied. Click on it and drag the flash file. Wait finish it. Restart the system. Done!

  download tools+files

 watch this video tutorial