The Xperia Z, Xperia ZL, Xperia Tablet Z and Xperia ZR will start receiving the update in the second quarter of this year.
Sony has officially announced new software upgrade including Android 4.4 KitKat schedule for its devices. Sony has already begun rolling out the update to the Xperia Z Ultra, Xperia Z1 and Xperia Z1 Compact smartphones. The Xperia Z, Xperia ZL, Xperia Tablet Z and Xperia ZR will start receiving the update in the second quarter of this year. Sony's Xperia T2 Ultra, Xperia E1 and Xperia M2 are also scheduled to receive the update.
The Android 4.4 update will bring a slew of new features in addition to a few performance tweaks. Google’s Android 4.4 KitKat as standard brings performance and UI optimisation. Sony has added new Status Bar and Quick Settings, which the company says is more intuitive and customisable. There's new animation and livewallpaper across the lock and home screens.
Sony's Messaging, MyXperia, Smart Connect, Small apps, TrackID, TrackID TV, Sony Select, Smart Social Camera and Media apps have also been upgraded. One of the highlights of the new update is Sony's custom interface experience – Xperia Themes, along with downloadable UI packs from Sony Select.