Nexus 5
Nexus 5Screenshot from Google website

Android 4.4.3 KitKat update for several smartphones, including Nexus models and Google Play editions of several smartphone makers like Samsung, HTC, Sony, LG and Motorola is expected this month though its release date is not known yet.

The much-awaited firmware, which will enhance performance of smartphones and fix bugs like reboots and problems with Bluetooth and Wi-Fi connectivity, is likely to roll out this month, according to HTC ROM developer and leakster, LLabTooFeR.

"KTU84F should be final Android 4.4.3 build. It's coming on Nexus and Google Play edition devices soon," LLabTooFeR had tweeted last month. The leakster also claimed on its website last month that "Android 4.4.3 (KTU84F) is under final tests and latest flagships like M8 and M7 will get 4.4.3 in near future."

Reports have it that Nexus 5 and Nexus 7 will be the first devices to get the new firmware when it is released, while devices from Samsung, HTC, Sony, LG and Motorola will get in the later months.

Here is list of devices Android 4.4.3 KitKat update may be made available:

Nexus: Nexus 4, Nexus 5, Nexus 7, Nexus 10

Samsung: Galaxy S4, Galaxy S5, Galaxy Note 3, Galaxy Tab 4, Galaxy Tab Pro 8.4, Tab Pro 10.1, Tab Pro 12.2.

Motorola: Moto X, Moto G, Moto G Google Play edition

HTC: HTC One M8, HTC One M7, HTC One M8 Google Play edition

Sony: Xperia Z Ultra Google Play edition, Xperia Z2 Google Play edition, Xperia Z2, Xperia Z2 Tablet.

LG: The LG G2, G Pad 8.3, LG G3

Image credit: Screenshot from Google website