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Android KitKat is the latest dessert that you can possibly get at this point in time for your Android smartphone or tablet, depending on the device that you carry. Usually, Nexus devices are the first one to taste any new flavor of Google’s mobile OS, and that’s what we saw with Nexus 5 that ships with Android 4.4. For all the others in the pipeline, the release was promised to follow in the days to come. Nexus 7 and Nexus 10 are the first ones that have started receiving the over-the-air 4.4 update, but if you haven’t gotten the notification yet in your region, the good news is that you can update right away using ADB sideload.

This guide will help you do exactly that – update your Nexus 7 (both 2012 and 2013 variants) and Nexus 10 to Android 4.4 KitKat using ADB sideload.

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Before we get to the actual procedure, let’s be clear that while these methods have proven to be safe time and time again, you still follow them at your own risk. We cannot be held liable for any damage to your Nexus 7 or Nexus 10 as a result of following these instructions. You’ve been warned.

With that out of the way, there are basically two approaches that you can adopt in this case, depending on the kind of device that you have. If you’re running a Nexus 7 or 10 with root and custom recovery, you can simply use a recovery flash. For stock devices, you’ll rely on ADB sideload to get Android 4.4 up and running. The requisites may or may not apply in that case.

Prerequisites

Procedure

For Rooted Devices

Step 1: With custom recovery installed, connect your device to the PC and transfer the OTA ZIP package to the root of your internal memory.

Step 2: Power off your Nexus and reboot it into recovery using Volume Up, Volume Down and power keys combo. From bootloader, you’ll have to select Recovery manually.

Step 3: Navigate to Install ZIP from SD card, and then to Choose ZIP from SD card. Point to the OTA ZIP package that you put in internal memory.

Step 4: Let the flashing complete and reboot.

That’s it, you’re now running Android KitKat 4.4 on your Nexus tablet. Enjoy!

For Stock Devices

Step 1: Put the OTA ZIP package in the root of your device’s internal memory, and power it off. Don’t disconnect from the PC.

Step 2: Reboot into bootloader mode and then recovery as instructed above. This time you’ll be in stock recovery rather than seeing a custom recovery.

Step 3: In Recovery menu, use volume keys to select “apply update from ADB” and use the power button to make the selection.

Step 4: With your device connected to your PC using USB cable, fire up a command prompt window and enter the following:

adb sideload OTA_Package_Name.zip (where OTA_Package_Name has to be replaced with the actual filename)

Step 5: The update will begin flashing. Once it completes, reboot your device.

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That’s it for the process. You’ve successfully updated to Android 4.4 KitKat.

It’s worth noting that these KitKat builds are stock from Google, and hence, not rooted. This is as vanilla as it can be on a Nexus device.

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