Nexus 7 is a great Android device, announced in 2013, July. Features 3G, 7.0″ LED-backlit IPS LCD capacitive touchscreen, 5 MP camera, Wi-Fi, GPS. For those who updated Nexus 7 2013 device recently with Android 4.4.4 KTU84P KitKat Firmware this guide will help you to root your device. This guide includes step by step tutorial for rooting process, but most important is backup all your stuff before continue.
1.First backup all your contacts, call logs and SMS.
2.Enable USB debugging mode from Settings->Applications->Development->USB debugging in your device.
Rooting Guide for Nexus 7 2013 on Android 4.4.4 KTU84P KitKat
1.Download Android SDK and Fastboot and save on android-sdk-windows\platform-tools directory.
Fastboot for Windows
2.Download SuperSUv2.00 and copy it to \SDcard on nexus device.
3.Download CWM Recovery 22.214.171.124 and save on the directory android-sdk-windows\platform-tools.
4.Now switch of the device and go to recovery mode by pressing and holding volume down+power keys.
5.Go to android-sdk-windows\platform-tools directory and open Command Prompt and type the following command.
fastboot flash recovery recovery-clockwork-touch-126.96.36.199-flo.img
6.Once completed, choose Recovery from the Fastboot menu and enter Recovery Mode.
7.Now select “flash zip from SD card” and press the Power button to select it.
8.Navigate to the UPDATE-SuperSU-v2.00.zip file select and start it.
9.After the successful installation go back and reboot the phone.
For confirmation check the SuperSU app in the device or install the Root Checker app.