Sony has started rolling out the Android 4.2.2 Jelly Bean update for its 10in Xperia branding tablet, the Xperia Tablet Z, which runs Android software version 4.1.2 out of the box.

Android 4.2.2
Android 4.2.2 update released for Xperia Tablet Z.  Xperia Guide

The update is currently rolling out for the LTE version of the Xpreia Tablet Z with model number SGP321. The Wi-Fi version, as Xperia Blog notes, is expected to receive the Android 4.2.2 treatment some time after the LTE version.

Firmware details

Model number: Xperia Tablet Z SGP321

Android version: 4.2.2 Jelly Bean

Baseband version: 9x15A-ACEFWMAZQ-30110057-39

Build number-10.3.1.A.0.244


Build date L: 2 July, 2013

Android 4.2.2
Screenshot of Android 4.2.2 running on Xperia Tablet Z.  Xperia Guide

With build version 10.3.1.A.0.244, the Android 4.2.2 is available via PC Companion and through SUS, reports Xperia Guide. This is a similar build number (based on Android 4.2.2), which Sony recently released for its Xperia smartphones such as Xperia Z, Xperia ZL and Xperia ZR.

The official firmware brings several notable features and changes for the Xperia Tablet Z. Sony has changed the UI features including moving the notification bar to the top and centered the virtual buttons. Besides, there is a pull-down quick settings feature, found in Xperia series smartphones.

Android 4.2.2 features

Centered Soft Buttons on bottom

Notification bar on top instead of bottom

The new UI is more like phone instead of tablet UI

Small App drawer seems missing

Quick settings feature from Notification Panel

Lock Screen has semi-transparent status bar

Xperia Tablet Z users who wish to manually install the Android 4.2.2 update through Sony Companion/Bridge may follow our guide (Courtesy of Android Teen).

IBTimes UK reminds its readers that it will not be held responsible for any damage to the device. Before installing the firmware, users are advised to verify that their devices meet following requirements.


1) Install USB Driver for Sony Xperia Tablet Z to connect the Android device with computer.

2) Enable USB Debugging Mode on the tablet to connect it with the computer and use Android SDK with it. [Press Menu>> Settings>> Applications. From there navigate and click on Development option and then check the USB Debugging Mode.]

3) As the tutorial might wipe out all data of the phone, create a backup. If the device is having any custom recoveries such as CWM/TWRP already installed then back up data using recovery.

4) The Xperia tablet should have above 80% of battery charge.

5) The device will lose custom ROM with the installation of official firmware. Additionally, it will lose custom recovery such as ClockworkMod/TWRP which will be replaced by stock recovery.

6) It will no longer belong to a rooted version with the installation of official build.

Steps to install Android 4.2.2 (10.3.1.A.0.244) Jelly Bean on Xperia Tablet Z via Sony Companion/Bridge

Step-1: Ensure that the computer is having a stable internet connection

Step-2: Download and install Sony Companion for Windows/Sony Bridge for Mac on the computer

Step-3: Connect the Xperia Tablet Z to the computer using USB cable

Step-4: Open the Sony Companion/Sony Bridge on the computer. Wait until the Sony Companion/Sony Bridge detects the tablet

Step-5: The New Firmware Upgrade should be available at the home of Sony Companion/Sony Bridge. Press the Firmware Upgrade button to proceed

Step-6: Check the box to agree to all the T&C about the upgrade and press Start Upgrade to proceed further

Step-7: Wait for download and install to run

Step-8: The device should now be running upgrade and reboot automatically

Android 4.2.2 Jelly Bean with base firmware 10.3.1.A.0.244 should now be installed and running on the Xperia tablet Z. To verify the new software version running on the phone, go to Settings>> About tablet>> Android & Baseband version

Note: If you see Your phone/tablet is up to date on the Sony Companion/Sony Bridge then wait for Sony Mobile to release the update via Sony Companion/Sony Bridge.

Click here for our guide to install Android 4.2.2 10.3.1.A.0.244 Jelly Bean on Xperia Tablet Z.