Nexus 7 Manual Update to 4.2.2

If you haven’t heard, Google is rolling out Android 4.2.2 update to its Nexus phones and tablets. This update should be available as an OTA that should be coming your way soon. But if you haven’t yet received the update and are impatient then we can show you how to manually update. This is for Nexus 7 devices running stock recovery and software. You will need to have Android SDK installed along with Nexus 7 drivers. This update will require the use of ADB and a simple few command lines. It should only take 5-10 minutes and will not wipe any data or files.

If you have all the requirement then follow the instructions below:

1. Download update package (JDQ39) from here and copy to your ‘Android/platform-tools/’ folder.
2. Enable USB Debugging under the developer options on your Nexus 7
3. Plug your Nexus 7 to your PC with USB cable
4. Open command prompt in the “Android/platform-tools/” folder
5. type ‘adb devices’ and make sure a device id number shows (if not, drivers are not properly installed)
6. type ‘adb reboot recovery’
7. You device will reboot and you should see an Android with an exclamation mark
8. Press Power + Volume Up button at the same time and enter stock recovery
9. Use Volume key and navigate to ‘Apply update from ADB on your Nexus device’ and press power
10. Type ‘adb sideload filename.zip’
11. Package will transfer then the device will update
12. When the update is done navigate to ‘reboot system’ and press power
13. That’s it, you are updated to Android 4.2.2
14. Go to Setting and About Tablet to confirm