GUIDE] How to install TWRP, ROOT (SuperSu/Magisk) and Xposed on Stock 5.1.1 [J320F] | XDA Forums
How to root Samsung Galaxy J3
How To Root Samsung Galaxy J3 Pro And Install TWRP Custom Recovery
How To Root And Install TWRP Recovery On Galaxy J3 Luna Pro
SuperSU - If you own a Galaxy J3, J5 or J7, these tips and tricks might be interesting for you. Take a look at them in this post: http://forum.supersu.com/topic/4691/top-tips-and-tricks-for-the-samsung- galaxy-j3-j5-and-j7 #root #SuperSU #app #