Android 4.4.2, 4.4.3 and 4.4.4 KitKat updates are rolling out to several HTC, Motorola and Sony devices worldwide. Here are the confirmed details of the Android KitKat software upgrades for HTC One, Moto X, Moto G, Moto E and Sony Xperia models.

Android 4.4.2 KitKat

Android 4.4.2 KitKat update is available among several Sony Xperia Z devices including Xperia Z, Xperia ZL, Xperia ZR and Xperia Tablet Z. Users may download the firmware via Over the Air or using PC suits such as Sony PC Companion on Windows PCs or Sony Bridge for MAC. Here are the change logs of the Android 4.4.2 update from Sony Mobile:

- Android 4.4.2 KitKat standard changes and features

- Sony PlayStation 4 user interface, boot animation and live wallpaper

- Updates on the native and multimedia Sony apps

- Improvements on the STAMINA mode

- Usage of the Xperia Theme feature with downloads via Play Store or Sony Select

- Compatibility with SmartWear Experience and Lifelog app

In addition to Xperia Z series, Android 4.4.2 KitKat is also available for Xperia T2 Ultra while Xperia E1 users will need to wait a little longer for the rollout since the firmware just received a certification from PTCRB.

Android 4.4.3 KitKat

HTC is now seeding the official Android 4.4.3 KitKat with HTC Sense 6.0 UI for HTC One smartphones in the United States and United Kingdom. Here are the details of the new software updates:

- Android 4.4.3 KitKat default changes plus Android 4.4.4 KitKat security patches from Google

- Colour coded themes on HTC apps for easier navigation

- Several updates on BlinkFeed such as smooth scrolling and intuitive user interface

- Customisable fonts with free pre-installed fonts from the new firmware

- Camera improvements such as HTC Zoe 3-in-1 camera solution

- Gallery app with Image Match and Point of Internet features

- Redesigned Apps Tray for quick customisation options

- HTC Sense TV with new UI, live sports score and stats, and social media integration

- Enhanced music app with more themes

- Schedule function on the Do Not Disturb mode

- Improvements on mail, message, calendar and phone apps

Android 4.4.4 KitKat

Motorola and Sony both released an official Android 4.4.4 KitKat among respective smartphones worldwide. Motorola already covered Moto X and Moto G while Sony seeded the update for Xperia Z1 Compact, Xperia Z Ultra and Xperia Z1 smartphones. Moto E Android 4.4.4 KitKat update rolled out initially in India.

Motorola official change logs for Android 4.4.4 KitKat on Moto G:

- Android 4.4.4 default improvements for accuracy to the power profile, several stability, framework and security fixes including update to OpenSSL

- Pause and resume button on the camera viewfinder

- Updated phone dialler with new layout and improved usability

- New Motorola Alert app

Official Android 4.4.4 KitKat changes from Sony Mobile for Sony Xperia Z1 smartphone:

- Android 4.4.4 including the latest enhancements and security updates from Google

- Updated and improved camera experience

- Improvements to Google voice, Contacts, music streaming and Google+

- Latest versions of Sony apps

- Latest bug fixes, optimisations and improvements