Manually updating your Nexus device to the new Android 4.4.4 KitKat (KTU84P) update is extremely simple. Once you’ve download the right factory image file for your device, you can easily apply that update using a simple procedure given below. Currently, Android 4.4.4 OTA update is available only for Nexus 4, Nexus 7 2012 Wifi & cellular, Nexus 7 2013 (Wifi) and Nexus 10 devices.
