The specific features of the Android 4.4.3 update includes bug fixes and Wi-Fi, Bluetooth and network enhancements.

The Android also includes updates for the camera, gallery, settings and HTC Sync Manager and optimisations to BoomSound, Extreme Power Saving Mode, Motion Launch and Quick Settings.
It supports TD-LTE, which means it can run on LTE networks in India.

The latest update will speed up the Internet speeds, provided 4G LTE is available in your area.

Currently, 4G LTE is available in 15 cities in India, including Chandigarh, Bangalore, Pune and Kolkata.

Other Android smartphones that can work on 4G LTE in India include the LG G2 and Samsung Galaxy S5.
HTC One M8 is a premium Android smartphone powered by a Snapdragon 801 quad-core CPU clocked at 2.5 GHz.

It sports 2GB of RAM and runs on Android 4.4 KitKat out of the box.