Sony Xperia Z2 smartphone (L) and Sony Xperia Z2 Tablet
A Sony Xperia Z2 smartphone (L) and a Sony Xperia Z2 tablet are displayed at the company's stand during the Mobile World Congress in Barcelona February 24, 2014. REUTERS/Gustau NacarinoReuters

It's been two months since Sony has released the 4.4.4 KitKat to Xperia Z, ZL, ZR, Tablet Z, now the company has rolled out the same OS update to some more Z series devices.

The company confirmed the news through the official blog that the final version of the chocolate-wafer flavoured Android OS update is now available to Xperia Z2 and Z2 Tablet.

"Our latest Sony User Experience upgrade (based on Android 4.4.4; KitKat) for Xperia Z2 and Xperia Z2 Tablet* rolls out from today (4 November) – it's something we've been working on for a while, so we're all pretty excited to finally tell you about it," said Fredrik Ekstrand, head of Software Portfolio Planning, Sony Mobile.

The new software (build number: 23.0.1.A.0.167) is said to bring in PS4 Remote Play (with full DUALSHOCK®4 Wireless Controller compatibility), high-resolution audio, refurbished social camera app (with addition of Sound Photo, AR fun, Multi camera and face in features), improved battery STAMINA mode and lots of proprietary features. [For more information, check out Sony Mobile blog].

[Note: Since the rollout process is carried out in phases, it might take a while for some regions to receive the new update].

To check for the update on the smartphone-

Go to Settings >> About Phone >> Build Number / Version

[Also read: Android 4.4.4 KitKat Now Seeding to Sony Xperia Z, ZL, ZR, Tablet Z; Update Brings-in Bug Fixes and More]

Last month, the Japanese consumer electronics firm had confirmed that the newly unveiled Android 5.0 Lollipop OS firmware will be made available to all of its 15 Xperia Z-series smartphones.

It includes Xperia Z Ultra GPE (Google Play Edition), Xperia Z, Xperia ZR, Xperia ZL, Xperia Z1, Xperia Z1s, Xperia Z Ultra, Xperia Z1 Compact, Xperia Z2, Xperia Z3, Xperia Z3v, Xperia Z3 Compact, Xperia Z3 Tablet, Xperia Tablet Z and Xperia Z2 Tablet.

[Also read: Android 5.0 Lollipop: Top Key Features of New Google Mobile OS]

The Google's new Android 5.0 Lollipop OS comes with an overhauled design language material design, bringing in an interactive user-interface, visually appealing graphic design (with bold colours & typography), tactile surface, fluid animation features, replacement of Dalvik with ART as its default runtime and many more tweaks for performance enhancements.