Wug’s Nexus Root Toolkit is the easiest way to unlock and root your brand new Nexus 9, or even if you want to revert it back to stock and unroot it.
The windows program will provide everything you need to easily root and unlock your device with easy to use instructions, as well as the necessary links and drivers you’ll need to get it working.
This program will automatically bring together all the files you need to unlock and root your device in a few clicks, or flash it back to stock and re-lock it. You can also use this program to backup/restore all your important data, flash zips, set file permissions, push and pull files, install apps, generate logcats/bugreports, and much more!
The Nexus 9 toolkit enables you to flash zips, install apps, restore android backup files, and flash/boot img files with just a double click!
The program downloads the files it needs for your device and makes sure you are using the latest files available. The program can even auto-detect your device and build, so all you have to do is plug and play, and you’ll be rooted in no time.
Head on over to the website for more information & download Links: http://www.wugfresh.com/nrt/.