This is a tutorial that can be used by advanced Nexus 7 LTE users to learn how to install manually the Android 4.4.3 KTU84L Update for tablets.
The new update comes with many fixes and features that should improve the performance of your tablet. More info about this release and what it brings new for your device can be found here. This is a guide that you can use in case your Nexus 7 LTE 2013 didn’t get the official OTA Update zip.
Before starting the installation you should take a look at the preparation info below:
- use this post only with the 2013 Google Nexus 7 LTE on Verizon.
– do not attempt to update any other tablet nor smartphone with the files that you will find in this post.
- this new KTU84L Android 4.4.3 official build can be installed only over the Android 4.4.2_r2 KVT49L firmware version.
– check this info under Settings> About Tablet> Build Number section.
– if KVT49L firmware version isn’t listed as Build Number then this guide cannot work.
- this post works with unlocked and locked bootloaders, as well as with rooted and non-rooted Nexus 7 LTE 2013 tablets.
- in case your tablet is running on a custom ROM, then this guide will not work.
– if you’re on a custom ROM then you will have to restore the device to stock Android using a Factory Image.
- in this post you will find on how to update your tablet using its Stock Recovery or a Custom Recovery.
– this guide works with custom recoveries, too, but you will need to have a 100% stock Android 4.4.2_r2 KVT49L OS without any other modifications.
- configure the Android SDK ADT bundle on your PC.
– get it from here.
– extract the contents of the SDK to your computer’s partition C:.
– launch the SDK Manager exe on your PC and install USB Drivers and all the other elements required for your device.
– find the ‘platform-tools’ folder and remember where it is located as that is where you will need to copy the Android 4.4.3 KTU84L update zip.
- enable USB Debugging for your tablet’s Developer Options menu.
– if the Developer Options menu isn’t listed under Settings you will have to enable this one first.
– go to Settings> About Tablet and tap on the ‘Build Number’ section seven times consecutively, you will then be told that you’re a developers.
– open Developer Options and then enable USB Debugging.
- use this post only if you’re an advanced Android user.
- do not blame Android.gs in case you end up bricking your phone nor in case you lose any files while installing the new firmware files.
- check the battery power level of your device and make sure that it is over 50%, this will prevent it from switching off in the middle of the updating process.
- read the whole guide and don’t skip any steps if you want to complete installation at your first attempt.
Now that you’ve read all of the above then you can continue to the next part of this post and learn how to successfully update your device to a brand new Android firmware.
How to flash Android 4.4.3 KTU49L for 2013 Verizon Nexus 7 LTE with ADB Sideload:
This first guide works with Stock Recovery.
Remember that this guide can be used only by overwriting the stock Android 4.4.2_r2 KVT49L build with the new Update zip file.
- Download the Razorg KTU84L from KVT49L for N7 LTE tablet from here.
– note that the name of the downloaded file is long and it would be best for you to rename it to ‘update.zip’.
- After you rename the file you should move it to your computer’s SDK> ‘platform-tools’ folder.
- Switch off the 2013 Nexus 7 LTE tablet now.
- Next, boot it in Recovery Mode.
- After the Recovery Mode is loaded you should select ‘apply update from adb’.
- Use the USB Data Cable and connect it to your computer.
- Open the folder where you’ve moved the ‘update.zip’ file.
- Now, press and hold ‘SHIFT’ key and, at the same time, right-click on the folder’s white-space and select ‘open command window here’.
- Windows command window will launch now and you should enter ‘fastboot devices’ and see if your tablet has been detected by your computer.
– if the Nexus 7 LTE 2013 device isn’t detected, then you will have to re-install its USB Drivers.
- Now you can install the new Android 4.4.3 OTA Update zip file. Enter this command line: adb sideload update.zip
– if you didn’t change the update zip name, then you will have to enter the complete filename for the installation to begin.
- Your tablet will start the updating process, wait until the installation is complete without pressing any buttons.
– also, do not unplug the tablet from computer during install process.
– the update will take somewhere around ten minutes.
- When the installation is complete you will see the main Stock Recovery menu again. Select ‘reboot system now’.
That is it, these were all the steps that you had to take in order to update your device to the latest Android 4.4.3 KTU84L firmware.
Wait for the tablet to reboot successfully in normal mode and then unplug it from your computer.
If your device has a custom Recovery installed on it, then you can choose to install the new update using the second tutorial below.
Flash Android 4.4.3 KTU84L Update zip for Nexus 7 2013 LTE from Custom Recovery Mode:
This post will work with both CWM and TWRP Recovery images.
Note that your tablet’s OS shouldn’t have been edited in any way beside of the installation of a custom Recovery. If you’ve applied any ROM modification, then the tablet will not boot in normal mode after installation and you’ll be forced to flash a ‘factory image‘ in order to repair the device.
- Download the Update zip file from here.
- Move the file to your Nexus 7 LTE 2013 model.
- Power off the tablet.
- Now you should boot in Recovery Mode.
- Select ‘install zip from sdcard’ for CWM and ‘Install’ for TWRP.
- Find the Android 4.4.3 KTU84L zip file and confirm installation.
- When the update is complete you should reboot the tablet in normal mode.
I hope that you’ve managed to complete the installation for your tablet. In case you need more help you should ask for help in comments.