How to Root Nexus 7 on Android 4.2.2 Jelly Bean Firmware

The Nexus 7 is a tablet computer developed by Google in conjunction with Asus. It is the first tablet in the Google Nexus series of consumer devices using the Android operating system and built by an original equipment manufacturer partner.

Nexus 7 users who have already installed their devices with Android 4.2.2 Jelly Bean, may root their devices using the tutorial below.

This tutorial uses CF-Auto-Root file released by recognised XDA Developers, Chainfire. The CF-Auto-Root file allowing Nexus 7 users to root their devices easily without depending on the firmware. It completely supports Android 4.2.2 Jelly Bean and future firmware as well. Head over to the CF-Auto-Root main thread to learn more about the root method.

Disclaimer: Rooting voids the warranty of your device. We and the developer of this rooting procedures shall not be held responsible if any undesirable outcomes may happen to your device. use of this root guide is solely at your own risk!

Pre-requisites
1. Make a backup of all your important data before following the guide.
2. Enable USB Debugging Mode on the phone.
3. The Nexus 7 should be factory unlocked and not locked to any particular carrier.
4. Ensure the battery of the phone is charged more than 80 per cent.
5. The CF-Auto-Root file works only on Nexus 7. Applying this on any incorrect variant might brick the device. Verify the model number of the Nexus 7 by navigating to Settings >> About Phone.

Files Required
1. Android SDK
2. CF-Auto-Root for Nexus 7 (Wi-Fi) or CF-Auto-Root for Nexus 7 (3G)

Steps to Root Nexus 7 on Android 4.2.2 Jelly Bean Firmware
Step 1: Install the Android SDK. The package includes the necessary drivers for connecting your Nexus phone to the computer, which is mandatory for the rooting process.
Step 2: Extract CF-Auto-Root file using WinRAR/7-Zip/WinZip or any other extracting tool.
Step 3: Switch off the Nexus 7. Then boot the device into fastboot mode by pressing and holding Vol Up + Vol Down + Power buttons together.
Step 4: Connect the Nexus 7 to the computer using USB cable, then wait until Windows finished installing the drivers.
Step 5: Navigate to the folder where you extracted the CF-Auto-Root files, then run the following command:
  • Windows: Run root-windows.bat
  • Linux: chmod +x root-linux.sh, Run root-linux.sh
  • Mac OS X: chmod +x root-mac.sh, Run root-mac.sh
Step 6: Follow the on-screen instructions. Once the rooting procedure completes, the phone will boot into normal mode. You can now unplug the USB cable to disconnect your device from computer.

Nexus 7 running on Android 4.2.2 Jelly Bean firmware is now rooted successfully. Open the app drawer of the Nexus 7 and look for an app called SuperSU. Verify the root status of the device by downloading Root Checker app from Google Play Store.

Note: If SuperSU does not appear, then you can install it manually from the Google Play Store.

Thank's to all fellas at XDA who first tried out this rooting technique. This method was originally posted via XDA-Developers original thread.

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