If you haven’t flashed a custom ROM, move over to http://wp.me/p4W2R5-s7
Now that you have a custom recovery, here’s how to root your stock ROM.
To Root OnePlus 2 > tap on Install menu, and then browse and select your SuperSU > Swipe toconfirm the flash
Once Done > Wipe Dalvik & Cache > Reboot System To Restart
To Confirm the root status using a root checker app from play store
4. How To Make A Nandroid Backup With TWRP Recovery
A nandroid backup is a very important thing to have before installing any custom software on yourdevice. It’s basically a backup of your stock system that you can fall back on if anything goes wrong or ifyou just want your stock ROM back. You can also use the backup tool to create a backup of your favourite ROM set up exactly the way you like it. The backup you create can be easily restored using the restore tool in TWRP recovery.
All you need to do is enter TWRP recovery, select the backup option from the TWRP home screen,check the system/data/boot boxes, and swipe to backup. The process will take a few minutes.
That’s it. your’e all set! Go go go!