Sony has started rolling out the Android 4.3 Jelly Bean official software upgrade for the Xperia M which was launched with a slightly older Android version, 4.1.
As the software update page suggests, Android 4.3 with build number 15.4.A.0.23 has started seeding for Xperia M from 26 March. To check for the updates wirelessly, navigate to Settings>> About phone>> Software updates>> System updates.
Model: Xperia MC1905
Version: Google Android 4.3 Jelly Bean
Build number: 15.4.A.0.23
Build date: 7 March
Release started: 26 March
The update will not be available for all users at the moment. The availability of wireless updates depends on the region as well as operators.
In order to update the device wirelessly, users will need the latest version of the Update Center applications. Navigate to Update Center>> Updates tab and install the available update. Once the Update Center application is updated, users will be able to update the device software wirelessly.
Meanwhile the Xperia Blog reports that Android 4.3 firmware is rolling out for both the C1904 and C1905 variants of Xperia M. Besides, the update is now available for a number of carriers across Europe and Asia such as Belgium, France, Greece, Hing Kong, Indonesia, Italy, Malaysia, Philippines, Sweden and Switzerland.
FTF download link
There is good news for those who have not received the update notification yet. XDA member 7lucky7 has downloaded the SUS update files and converted them into FTF format. Head over to the development thread to get Android 4.3 15.4.A.0.23 FTF for Xperia M C1905.
The 15.4.A.0.23 Android 4.3 build brings a number of new changes and improvements for the Xperia M including Sony's Smart Social camera and updated Media apps. Below is the official changelog for Android 4.3 firmware.