Download and Install Android 4.2 for Nexus 7 [OTA Update]
Google has just rolled out the Android 4.2 update for Galaxy Nexus and Nexus 7 through OTA. The newer Android 4.2 version comes with many new features such as gesture-based keyboard, photo sphere for panorama mode, improved Google Now service, quick setting access and more.
If you haven’t received the Android 4.2 OTA notification on Nexus 7, install the update manually as Google has posted OTA Android 4.2 update for Nexus 7 that can be installed manually having firmware version JOP04C. This guide shows you how to upgrade Nexus 7 to Android 4.2 manually.
Make sure your Nexus 7 is running a stock Android 4.1.2 ROM build number JZO54K, you can check your tablet detail from Setting>About Device. Your tablet must be unrooted.
Step #1: Download the Android 4.2 OTA update for Nexus 7 from here (Note: 094f6629314a.signed-nakasi-JOP40C-from-JZO54K.094f6629.zip) and transfer the .zip file to your Nexus 7 tablet.
Step #2: Turn the device off.
Step #3: Reboot the device into recovery mode by holding down volume down, volume up and power buttons.
Step #4: Select “Install” for TWRP recovery and if you’re using ClockworkMod, select “Install Zip from SD Card” then “Choose Zip from SD Card” and locate the downloaded .zip file that you’ve transferred in above step and confirm installation. Wait till installation complete.
Step #5: Once the installation is completed, select “Go Back” after that select “Reboot System Now” to reboot the tablet.
That’s it, the Android 4.2 firmware is now installed on your Nexus 7, enjoy!
If you’re on stock ROM and haven’t installed any custom recovery yet, perform following steps to install recovery. Make sure you’re using Windows PC with Android ADB installed. You can follow our this guide to install Android ADB drivers.
Step #1: Download Android 4.2 update (094f6629314a.signed-nakasi-JOP40C-from-JZO54K.094f6629.zip) for Nexus 7 and fastboot package (fastboot.zip) to your PC.
Step #2: Unzip the downloaded fastboot.zip file into C:\, you’ll get a fastboot folder having four files. Then copy the update file to fastboot folder.
Step #3: Turn your phone off.
Step #4: Reboot your phone into recovery mode, to do so reboot phone by holding down volume down and power buttons until device turns on, then use volume keys to navigate and power button to select. You need to select recovery option to enter in recovery mode. There you’ll see Android logo, then hold down power button, then press volume up button, it will open up recovery menu. Then select “apply update from adb”.
Step #5: Plug your device to PC, it may ask for drivers installation, let them install.
Step #6: Open the command prompt, you can find it from start menu>programs>accessories.
Step #7: Enter following command, it will take you to fastboot folder:
cd c:\ fastboot
Step #8: Enter following command, it will deliver your Nexus 7 ID number, if it delivers, your phone is connected to PC properly. Otherwise make sure device drivers are installed properly.
Step #9: Enter the following command to install the downloaded Android 4.2 OTA update .zip file, it will show up a sending side load message, after that it will start the installation:
adb sideload 094f6629314a.signed-nakasi-JOP40C-from-JZO54K.094f6629.zip
Step #10: Once the installation is done, on your phone select “reboot system now” to reboot the phone.
That’s it, you’re done, enjoy the Android 4.2 version.