United States network carrier T-Mobile is now rolling out the Android 4.3 Jelly Bean for Sony Xperia Z with build version 10.4.C.0.814 which will feature most upgrades from other Xperia smartphones, according to Sony Mobile's official blog site.

T-Mobile Android 4.3 for Xperia Z

T-Mobile recently announced the firmware build 10.4.C.0.808 scheduled to be rolled out for Sony Xperia Z U.S. variant. However, the network carrier did not push the update for unknown reason.

Today, T-Mobile releases the build version 10.4.C.0.814 for Xperia Z which will move it from 10.3.1.E.0.191 Android 4.2.2 Jelly Bean that stuck users for quite some time. XperiaBlog confirms that the new firmware rolling out runs Android 4.3 Jelly Bean, containing most features found on other smartphones having the same firmware such as Xperia SP and Xperia V.

It is currently available via Over the Air process which can be found in the Settings menu and via Update Centre inside the App Menu sizing more than 300 MB. Users should check the internal storage capacity before downloading and installing the firmware.

Sony Mobile Official Change Logs

T-Mobile official support Web page for Sony Xperia Z is not yet updated to the build version 10.4.C.0.814 and does not contain any change logs for the Android 4.3 Jelly Bean firmware. If you do not know what you will be getting, here are the details from Sony Mobile's official blog.

1. Android 4.3 Jelly Bean default features - Project Butter for performance and user interface optimisation and smoother graphical experience.

2. New Smart Social Camera - It contains all camera modes in one place under the camera app.

3. New Camera Modes - An available option for users to download more camera modes using Sony Select or the Play Store.

4. Sony Native Apps - Latest versions for Android 4.3 of all native apps from Sony such as messaging, Smart Connect, Small Apps, Sony Select and more.

5. Xperia Themes - Download additional themes using Sony Select or the Play Store.

6. Sony Media Apps - Updates for multimedia apps from Sony such as WALKMAN, Album and Movies and Sony Entertainment Network cloud service integration.

7. Enterprise Solution - Latest security enhancements from Android 4.3 and new Xperia in Business enterprise.

8. Improved Battery Life - New version of STAMINA mode with more options to prolong battery life.

Android 4.4.2 KitKat update is not clear on when it will be ready as T-Mobile remains busy with Android 4.3 rollout and has not yet revealed any details about it.