Sony Xperia ZL C6506 4.2.2 Android Jelly Bean update is now available for download. The 10.3.A.0.423 for Xperia ZL update can be installed on the device. It brings the latest version of Android with improved launcher, lockscreen widgets and some cool new animations. Although the Sony website lists it as Android 4.1, it actually is Android 4.2.2 JB update which is the latest version and is available on limited set of devices at the moment.
Details of the update are as under:
Baseband version: 9x15A-ACEFWMZQ-30110049-34
Build Number: 10.3.A.0.423
Build Date: May 17th, 2013
Version: Android 4.2.2 JDQ39
Here is how to get this update:
Install 10.3.A.0.423 OTA Update
Make sure you are connected to a reliable WiFi network to download and install the update.
On your device, navigate to Settings > About phone > Software updates > System updates.
It will then check for the available updates and a window will pop up notifying you of the update.
Tap on it to install the update.
Install Android 4.2.2 on Xperia ZL using PC Companion / Bridge for Mac
If you do not prefer the OTA update, you can install the update on your device using your PC / Mac. You just need to download and install the desktop software for that:
Step 1: Download desktop software for Xperia smartphones:
Step 2: After installing the software, connect your device to the PC via the USB cable.
Step 3: Launch the PC Companion (Windows) / Bridge for Mac.
Step 4: Soon as the app is launched, it will check for the update.
Step 5: A message will pop up notifying you that “New Xperia software version available”.
Step 6: Click on “Update” button and follow on screen instructions to download and install the update.
The update should now be installed on your device. To confirm, navigate to ettings > About phone > Build number / version and check for the software version.
Fore more information: Xperia ZL software update page