The long-awaited Android 4.4.3 KitKat update has begun to roll out to many devices in the past few days. It is worth noting that the update is already available for Nexus 5, and Nexus 7. And the search giant is sending the updates to the Moto X, Moto E, Moto G, Galaxy S4, HTC One M8 GPe and Nexus 4 as well.

At present, the Android 4.4.3 KitKat update is available for Nexus 10. The Nexus 10 tablet will be updated automatically Over-The-Air (OTA) similar to other devices. Nevertheless, users who require the update immediately or looking to install manually, here is a step-by-step installation guide to install the firmware update on the Nexus 10 tablet. The official build number for the Nexus 10 device is KTU84L.

This KitKat update brings together a wide range of bug fixes, new features and enhancements. In addition, this new build also includes performance optimizations to Chromium built-in browser, ART, Dalvik, Bluetooth, VPN routing and background services, according to IBTimes UK.

Preconditions and Firmware Download

1. Back-up all the important data from the Nexus 10 tablet and ensure that the device is already running on Android 4.4.2 KOT49H firmware.

2. Install USB Drivers for Nexus 10 on the system and enable USB Debugging Mode on the phone.

3. The device should have at least 70 to 80% battery charge, for smooth installation without interruption.

4. If not done already, set up Android SDK and fastboot. The instruction can be found here.

5. Download the following 'zip file' from Google: Android 4.4.3 (KTU84L) KitKat OTA update. The file size is 72.6MB.

Disclaimer

IBTimes AU cannot be held responsible for any damage to the device upon installing the firmware manually, following the steps. Manual installation requires great caution and patience. Also, incorrect installation could impair the device permanently. Hence, readers are advised to install at their own risk.

Installation Guide

1. As a first step, the downloaded firmware 'zip file' should be copied from the platform-tools folder in the Android SDK directory.

2. To bring up the 'command window' from the platform-tools folder, hold the Shift key and right click on the empty space within the platform-tools folder.

3. Time to connect the Nexus 10 tablet to the system/computer using a USB cable.

4. Type down the command given below and then click the 'Enter' button: adb reboot bootloader

5. The device will now reboot in the Bootloader mode.

6. Choose Recovery mode option by hitting the Power button. Note: Users can navigate with the help of Volume Up and Down keys.

7. Once done, an Android icon should appear on the screen. Press and hold the Power button, at the same time tap the Volume Up key.

8. The device is now set to Recovery mode.

9. With the help of the Volume Down key, highlight 'apply update' from ADB option.

10. Now, press the Power button in order to select the highlighted option.

11. As a next step, launch the command window.

12. Enter the command given below.

For Windows : adb.exe sideload signed-mantaray-KTU84L-from-KOT49H.dacffc0e.zip

For Mac : ./adb-mac sideload signed-mantaray-KTU84L-from-KOT49H.dacffc0e.zip

For Linux : ./adb sideload signed-mantaray-KTU84L-from-KOT49H.dacffc0e.zip

Note: The set of strings after the command "sideload" is the name of the downloaded OTA package.

13. If done correctly, the OTA update will start the installation process on the Nexus 10 tablet.

14. Users have to re-start the system once the installation gets completed. Select 'reboot system now' option in Recovery mode.

15. Once the device is re-booted, verify the Android version from the Settings of the Nexus 10 tablet.