Root Google Nexus 7 on Android 4.1 Jelly Bean ROM ( Unlocked Bootloader Guide Inside )
Google Nexus 7 has been presented at Google’s IO 2012 conference and the developers attending it were given by Google a demonstration on how the Android 4.1 Jelly Bean works on the Google Nexus 7. Besides the demonstration they also went home packing the tablet, a Galaxy Nexus with Jelly Bean and the Nexus Q device, which is the developers started working with the tablet and now they’ve managed to release a working rooting guide for this tablet before the official release day.
The device should be available starting with mid-July and now you can learn how to root it before that date as some developers already managed to work their way around it and flash Google’s latest Android OS on various devices like the Galaxy Nexus Verizon and Galaxy Nexus GSM International, HTC One X and the Galaxy S3. Now, since the developers went home with the Google Nexus 7 they started to work on a tool that can be used to root and gain access to the sub system files.
In order to successfully apply the root, you will need to read the preparation guide and learn what tools you need to use, so that you’ll be able to correctly configure the tablet device and your PC and make sure that you root the Nexus 7 at your first attempt. Here’s what you need to know prior to the rooting process:
- your Google Nexus 7 tablet warranty will be voided and you will only be able to restore it if you install stock Jelly Bean firmware.
- to install the root you will first need to unlock the bootloader for your Nexus 7 tablet. The instructions on how to do it can be found in the tutorial.
- Android SDK should be installed on your computer. Download from here.
- backup all the important data you have stored on your tablet. You can move the data on its internal sdcard or on your PC using the USB cable.
- the tutorial guide should be applied by advanced Android users.
- please note that the root is applied at your own risk and you should know that we cannot be blamed in case your device gets bricked or you lose important files. Make sure to read the entire guide before starting to apply the steps I’ve listed in it.
That’s all the extra info that you had to read before moving to the first step of the ‘how to root Google Nexus 7′ tablet. Now, you should know that first you will need to unlock the bootloader, followed by the installation of ClockworkMod ( CWM ) Recovery and the final part teaches you how to apply permanent root for Google Nexus 7 tablet.
How to root Google Nexus 7 on Android 4.1 Jelly Bean:
I. Unlock the Google Nexus 7 Bootloader:
- Download and install the Android SDK on your computer.
- Launch the Android SDK tool.
- Enable USB debugging option on your tablet and after that connect the Google Nexus 7 to your PC.
- Open the Command Prompt or the Terminal if you’re on Mac or Linux. To make your life easier you should open the ‘fastboot’ folder which is located between the installation files of Android SDK. When you’re in fastboot folder you should press ‘shift’ key and right click the open space in the folder. Select ‘open command prompt window here’. This works with Windows computers.
- When you’ve pointed the command prompt window to fastboot folder you should enter the following command lines:
- fastboot oem unlock - press Enter and wait for the flashing process to complete.
- fastboot reboot
- Download the recovery image file from here.
- After the download is complete you should move the ‘recovery.img’ file in the fastboot folder.
- Next, type in the command prompt / terminal the following line: fastboot flash recovery CWM-grouper-recovery.img
- Reboot the tablet by entering this: fastboot reboot
II. Flash the ClockworkMod ( CWM ) Recovery:
- To apply the permanent access for the CWM Recovery image you should enter these commands:
- mount system
- adb shell
- mv recovery-from-boot.p recovery-from-boot.bak
After you enter these command lines you should start applying the root files.
III. Get Root access for your Google Nexus 7 tablet:
- Download the JB-SuperSU.zip from HERE.
- Save the file on your computer’s desktop and after that you should connect the device to your computer. Proceed and move the file on the device’s internal sdcard.
- Power off your device and after this boot it into CWM Recovery. Do it when the device is switched off and disconnected from your device.
- To enter CWM Recovery you need to hold simultaneously ‘volume up’ + ‘volume down’ + ‘power’ buttons. Wait for the Clockworkmod recovery screen to appear.
- Select ‘install zip from sdcard’ and then ‘choose zip from sdcard’. Point the recovery image screen to the location where you’ve copied the root JB SuperSU zip. Confirm the installation process and when all files have been flashed return to the main recovery menu.
- Select ‘reboot system now’ and wait until all the Google Nexus 7 tablet boots into its new rooted Android 4.1 Jelly Bean firmware.
This is the last step you had to take and now you’re free to start installing applications that work only with rooted devices. In case you cannot complete the tutorial then you should ask for help in comments and we will try to help you apply the root access for your Google Nexus 7 tablet.
Remember that this guide is for the Nexus 7 tablet device and you shouldn’t try to flash the Galaxy Nexus, Nexus S nor any other Android devices. If you wish to install Jelly Bean 4.1 Android on your device, then you should type ‘jelly bean’ in our search box and you will find several guides that will teach you how to apply these changes to your Android device.
This tutorial was made possible because of the guys at RootzWiki and they are the ones who put the most effort into releasing this root for Google Nexus 7 Android 4.1 Jelly Bean, as I’ve only tried to explain for you how you can easily apply the root on your device. Remember to return to our website in the future as we will host numerous tutorial on how to improve the Nexus 7 performances and how to apply better custom ROMs based on Jelly Bean Android OS.