For all those who updated their Galaxy Nexus I9250 smartphone or Nexus 7 tablet to Android 4.2, you can now root Nexus 7 4.2 JOP40C. Although the process is pretty simple and takes a few minutes to complete, we advise you to continue with the process at your own risk. We will not be responsible for any harm your device may suffer by following the process. If you follow the steps carefully, it should be pretty smooth. Here is the step by step guide on how to do it:
Getting Ready to Root Nexus 7 4.2 Jelly Bean
Enable USB Debugging: Make sure USB debugging is enabled on your device. To confirm, navigate to Settings > Developer options on your device. You will see an option for “USB debugging”, it should be selected.
Install Android SDK: Download and install Android SDK from Official Android Dev website on your PC.
Set up Fastboot: Download Fastboot for Windows, Mac or Linux. Now navigate to Android SDK directory (where you installed the SDK) and extract the downloaded zip file in platform-tools directory.
Backup your data: Make sure to back up all of the important data including contacts, SMS / MMS, photos / videos and any other important data. All data will be wiped during the process and you will lose it permanently if you do not have a backup.
Tutorial to Root Nexus 7 on JOP40C Android 4.2 Jelly Bean
Step 1: Download ClockworkMod Recovery image recovery-clockwork-touch-184.108.40.206-grouper.img. Then copy the downloaded img file and paste it in platform-tools directory of Android SDK install folder (same directory where you copied the fastboot).
Step 2: Download CWM-SuperSU-v0.97.zip and copy the zip file onto the root of your SD card.
Step 3: Put Nexus 7 in fastboot mode, follow the steps below:
Step 3: Switch off your device, then press & hold Volume down + Power keys till you see some text on screen. This will put your device in Bootloader mode.
Step 4: On your PC, launch Terminal / Command Prompt. Now execute cd commands to navigate to platform-tools directory inside the Android SDK installation directory.
Step 5: Once there, execute following command:
fastboot flash recovery recovery-clockwork-touch-220.127.116.11-grouper
Step 6: Now from Fastboot menu, choose the “Recovery” option. This will put your device in Recovery Mode.
Tip: You can use Volume buttons to navigate up and down, Power button to select an option in Recovery Mode.
Step 7: In Recovery Mode, scroll down and select the option “select zip from sd card” option.
Step 8: Then select the option “choose zip from sdcard”, select the CWM-SuperSU-v0.97.zip file that you copied on your SD card in step 2 above.
Root process will now start, wait till its done.
Step 9: Once process is complete, select the option “+++++Go Back” to navigate back to main Recovery screen.
Step 10: From main screen, select the option “reboot system now” to reboot your device.
That’s it! You have now achieved the Nexus 7 root on Jelly Bean 4.2 build JOP40C. Enjoy!
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