Sony Mobile has started rolling Android 4.4.2 KitKat update officially for Xperia Z Ultra, Xperia Z1 and Xperia Z1 Compact as stated on their blog. Sony has released its schedule for Android 4.4.2 KitKat rollout for other devices also, Xperia Z, Xperia ZL, Xperia Tablet Z and Xperia ZR will be getting KitKat in mid Q2 2014 while Xperia E1, Xperia M2 and Xperia T2 Ultra and T2 Ultra Dual will also get KitKat but no release date mentioned yet.

Sony has updated Android 4.4.2 KitKat 14.3.A.0.681 firmware build for Xperia Z Ultra on its official product page and anytime now users will be getting it worldwide. It seems at present 14.3.A.0.681 firmware is in seeding stage and soon will hit globally on users handset.

[ UPDATE – 20 March ] Download Voice balloon photo app from Sony – Smart Social Camera app for KitKat devices

[ UPDATE – 19 March ] Xperia Z1 Compact 14.3.A.0.681 firmware KitKat Android 4.4.2 update rolling

[ UPDATE – 19 March ] Xperia Z1 14.3.A.0.681 firmware KitKat Android 4.4.2 update rolling

Xperia Z Ultra KitKat 14.3.A.0.681 firmware update

Look for a Xperia Z Ultra 14.3.A.0.681 firmware update notification on PC Companion as shown below and proceed as per onscreen instructions.

Download Xperia Z Ultra 14.3.A.0.681 firmware ftf

For Z Ultra C6833

Download C6833_4.4.2_HK.ftf
[ via XDA user H786 ]

Download C6833_14.3.A.0.681_PL_1275-9426.ftf
[ via XDA user reaper61616 ]

Download C6833_14.3.A.0.681_LTE Germany.ftf
[ via XDA user chemcup ]

To install Xperia Z Ultra 14.3.A.0.681 firmware ftf, download Xperia Flash Tool from below and you can also refer to ours manually flashing guide.

Download flashtool-0.9.15.0-windows.exe 

How to flash manually Android 4.4.2 14.3.A.0.681 firmware ftf on Xperia Z Ultra ?

Download concerned ftfs from above links. FTF for C6802 will soon be posted.

Note :- No Root Needed. Warranty not void, safe. Works on both Locked/Unlocked bootloaders. Below mentioned guide is for Xperia Z1 and same is for Xperia Z Ultra.

Kindly un-check the options “Wipe Data, cache, logs” if you want to protect your phone’s data after flashing.

Guide :- How to flash Android 4.4.2 Xperia Z Ultra 14.3.A.0.681 firmware ftf using Flashtool manually ?

Xperia Z Ultra 14.3.A.0.681 firmware KitKat Update Changelog from Sony.

• Camera app update to improve overall camera performance.
• Stock email app is updated.
• Stability, performance and battery improvements.
• New Xperia KitKat UI as per Google’s android 4.4.2 KitKat OS.
• Tweaked status bar and quick settings options. 2 Tabs notification panel included.
• New UI for Sony Playstation 4. New animation and live wallpapers for lockscreen and homescreen.
• New Sony Media apps including Walkman, Album, Movies.
• Sony’s native stock apps updated like Message app, Call app, TrackID, TackID TV, MyXperia, SmartConnect and small apps.
• New Xperia downloadable themes included.

As per the changelog provided by Sony it is clear that there is No 4K cam app, No TimeShift Video app, No Smart Call Handling app, No Smart Backlight Control, No Glove Mode, No Tap to Wake up feature which is spotted in Xperia Z2 KitKat firmware.

Xperia Z2 features can’t be given by Sony until Xperia Z2 comes in market for purchase.

Xperia Z Ultra KitKat changelog as per users

• New Homescreen and locksreen wallpapers.
• Transparent navigation bar and status bar.
• New Battery icon.
• No touch to wake up feature.
• New start up screen.
• New KitKat Boot animation.
• Screenshot option in Power menu.
• Calendar app updated.
• Answering machine option in call app.
• Manage notification settings for particular app.
• Default SMS app settings.
• Background Defocus app added in camera.

If any Xperia Z Ultra user has got 14.3.A.0.681 firmware update then let us know. Post your screenshots and changelog. Drop your comments below.

We will soon post Xperia Z Ultra 14.3.A.0.681 firmware ftf for manual flashing.

[ Pics via XDA user SWFlyerUK ]