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Update Google Nexus 7 2013 Wi-Fi to Official Android 4.4.3 KitKat KTU84L

The Google Nexus 7 has received the new Android 4.4.3 KitKat official OTA Update, and you can use this tutorial in case the KTU84L firmware files haven’t been pushed to your region.

This is a guide that can be used by advanced Google Nexus 7 2013 Edition users. The tablet that you’re about to update has to be on Android 4.4.2 KOT49H KitKat build so that the Android 4.4.3 KitKat KTU84L update zip file to install correctly.

The new update brings mostly bug fixes and tweaks that should offer much more stability and better stability.

In order to make sure that you correctly setup your Nexus 7 tablet for the updating process you will first have to take a look at the guidelines below:

  • use this post only with Google Nexus 7 Wi-Fi 2013 Edition.
    – don’t try to update any other Android device with the files that you will find in this post.
  • make sure that your tablet is running the Android 4.4.2 KOT49H.
    – do not install Android 4.4.3 KTU84L firmware over any different firmware.
    – this version can be checked under Settings> About Device> Build Number.
    – continue with the tutorial only in case the build number matches KOT49H.
  • an unlocked bootloader is not necessarily required.
  • in this post you can two tutorial guides: one for Nexus 7 tablets with stock Recovery and the other Nexus 7 featuring custom Recoveries like CWM or TWRP.
  • in case your Nexus 7 runs on custom ROM then this guide might not work and it is recommended for you to restore the tablet to stock Android 4.4.2 KOT49H before continuing.
  • this guide works with both rooted and non-rooted Nexus 7 Wi-Fi 2013 edition tablets.
  • setup ANDROID SDK ADT Bundle on your computer.
    – download it from here.
    – install this on your computer’s C: partition.
    – find the ‘platform-tools’ folder as there you will need to save the new Android 4.4.3 KitKat KTU84L firmware zip file.
  • enable USB Debugging from Developer Options menu.
    – if Developer Options doesn’t show up under Settings you have to enable it: open Settings, go to About Device and tap seven times on the ‘Build Number’ section.
    – Developer Options will show up in Settings and you can enable USB Debugging.
  • check the tablet’s battery power and make sure that it is over 40%.
    – this will prevent it from switching off while you’re installing the update.
  • this is a tutorial for advanced users, do not blame our tutorial in case you brick the tablet or lose any data files in the process.
    – you are installing a new update manually at your own risk.
  • continue to the next step only when you’ve read thoroughly all the info above.
  • do not skip any steps.

Since you’ve read all of the above you can continue to the tutorial.

How to install Android 4.4.3 KTU84L for Nexus 7 Wi-Fi 2013 with Stock Recovery:

  1. Download the “signed-razor-KTU84L-from-KOT49H.df43279b.zip” file and save it on your PC.
    – the file’s complete name is “df43279bcf6bb6a0ae403249c3e6f314d0a7eb77.signed-razor-KTU84L-from-KOT49H.df43279b.zip”.
    – you can choose to change the file’s name to ‘update.zip’.
  2. Save the downloaded file to SDK> Platform tools. Look for this folder in particular as it will surely be present after you extract the Android SDK zip.
    – check the preparation guide for the download link of Android SDK.
  3. Switch off the Google Nexus 7 Wi-Fi 2013 completely.
  4. After that you have to boot it into Recovery Mode.
  5. When in Recovery Mode you should select ‘apply update from adb’.
  6. Get the USB cable and connect your tablet to your PC.
  7. Now you need to open the platform-tools folder where you’ve placed the firmware update zip file.
  8. Press and hold the ‘SHIFT’ key and at the same time you have to right-click on the folder’s white space. Select the ‘open command prompt window here’.
  9. Now you can enter the following command line in order to start the updating process: adb sideload df43279bcf6bb6a0ae403249c3e6f314d0a7eb77.signed-razor-KTU84L-from-KOT49H.df43279b.zip
    if you have changed the name of the update file to ‘update.zip’, then enter: adb sideload update.zip
  10. Wait for the update to complete without pressing any buttons until the progress bar reaches 100%.
  11. After the installation is complete you can reboot the tablet in normal mode.

I hope that the update was successful.

If your Nexus 7 2013 Wi-Fi has a custom Recovery like TWRP or CWM installed, then you should read the second guide below.

Install Android 4.4.3 KTU84M Update for Nexus 7 Wi-Fi 2013 with Custom Recovery:

  1. Download the file that is listed in the above tutorial’s step 1.
  2. Connect the tablet to computer via USB cable.
  3. Move the downloaded Android 4.4.3 KTU84M zip to your tablet’s internal sdcard.
  4. When the file is moved you can disconnect the Nexus 7 Wi-Fi device from PC.
  5. Boot your tablet in Recovery Mode.
  6. Select the ‘install zip from sdcard’ option. Find the Android 4.4.3 KitKat update zip file.
  7. Confirm installation.
  8. When the install process is finished you can reboot the device in normal mode.

These were all the steps that you had to take in order to successfully complete the update of your Nexus 7 Wi-Fi 2013 Edition with KTU84M Android 4.4.3 KitKat ROM.

If you need more help, then you should use the comments field below.

Google Nexus 7 2013 Articles