Google has already started rolling-out Android KitKat version 4.4.3 update to selected devices. The Moto X, Moto G and Moto E are the set of Motorola devices, which will receive the update soon. In India, the search engine giant has already released the update for Nexus devices, with the Nexus 4 handset already started receiving it. You can see that in the screenshot below.
Other smartphones that will be getting the same Android treatment are the Nexus 7 (2013 edition), Nexus 5, and the Google Play editions of the Samsung Galaxy S4, the HTC One M7, and the HTC One M8.
In the Moto G and Moto E, the update will bring only minute changes that include phone dialer with a new graphical layout with improved colors and better usability.
In the Nexus 5, the KitKat 4.4.3 update will bring some major improvements in the battery consumption, and we are expecting the same new feature also in the Nexus 4 handset. It also brings better looking dialer app and People app.
Other changes that the update will bring in the Nexus 4 smartphone are yet to be seen, but if the leaked changelog is to be taken seriously, The update would fix camera focus in regular and HDR modes, and bring Power Manager display wakelock fix, multiple Bluetooth fixes, USB debugging security fix, app shortcuts security fix, Wi-Fi auto-connect fix and few others.
If you have not received the update, do head on to the settings options and check for it manually.