The official Android 4.4 updates have finally started rolling out for the Google Nexus 4. Users can experience the latest Android OS by installing it on their device via OTA. However, if you aren’t among the lucky ones who have received it via OTA, there’s no need to worry. The OTA zip URLs have been obtained and you can now install the update manually instead of waiting for it to arrive via OTA. You can either install it by flashing it via a custom recovery or sideload it through ADB. The update is the latest KRT16S one which was also released for the Nexus 7 tablets after the initial Android 4.4 upgrade.

Nexus 4

Disclaimer: Follow the instructions at your own risk. If the device gets damaged, the writer or the owner of the site must not be held responsible.

Pre-requisites and Backing up your Nexus 4:

Method 1 (via Custom Recovery):

Requirements:

  • Nexus 4 must be running on Android 4.3 JWR66Y or Android 4.4 KRT16O
  • Rooted Nexus 4
  • Latest CWM or TWRP custom recovery installed
  • Official Android 4.4 KRT16S Update zip file (Download this file if you are on Android 4.3 JWR66Y / Download this file if you are on Android 4.4 KRT16O)

Steps:

  1. Download the official Android 4.4 update zip file and copy it to the root of the internal storage of your Nexus 4.
  2. Turn off the device and boot into recovery mode. To do this, follow the below steps:
    A. Press and hold the volume up, volume down and power button simultaneously.
    B. Use the volume up or down buttons until you see Recovery on the screen and then press the power button to boot into it
  3. Next select “install zip”, then “select zip” and choose the Android 4.4 update zip file.
  4. After the installation is complete, reboot your device.

You have successfully updated your Nexus 4 to official Android 4.4.

Method 2 (via ADB):

Requirements:

  • Nexus 4 must be running on Android 4.3 JWR66Y or Android 4.4 KRT16O
  • Android SDK installed on your computer.
  • Official Android 4.4 KRT16S Update zip file (Download this file if you are on Android 4.3 JWR66Y / Download this file if you are on Android 4.4 KRT16O)

Steps:

  1. Download the official Android 4.4 update zip file to your computer.
  2. Restart your device and while it is booting up, press and hold the Volume Down button.
  3. You will now see the fastboot menu. Press the Volume Up button until you see Recovery and then enter it by pressing the Power button.
  4. An Android with a red exclamation point will now appear on the screen. Press Volume Up and Power buttons together and select “apply update from adb”.
  5. Connect your device to your computer via USB.
  6. Now go to the location where you downloaded the official Android 4.4 update zip file and open a command window there by pressing Shift button of the keyboard and Right Click button of your mouse.
  7. Type the following command if coming from Android 4.3 JWR66Y:
    adb sideload c7d8660af65b878835d5248252f51dcbf53c2001.signed-two-step.signed-occam-KRT16S-from-JWR66Y.d1b99704.zip 

    Type the following command if coming from Android 4.4 KRT16O:
    adb sideload 70f3bd408ca3d142509cd4bace2f2c7e3aa486c6.signed-occam-KRT16S-from-KRT16O.70f3bd40.zip

  8. Wait for the update to be installed. After the installation is complete, reboot your device.

You have successfully updated your Nexus 4 to official Android 4.4.

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