A new system update released for Xperia XZ, X Performance and Xperia XZs. The update brings improvements along latest security patches for the ongoing month of December and fixes for issues in the firmware. The December patch for Xperia XZ, XZs and X Performance is arrives as build 41.3.A.2.24, which is same for all of these. The update is based on Android 8.0 Oreo, users were reporting about facing issues on the previous Oreo build so we expect this update fixes them all.
The December patch 41.3.A.2.24 for Xperia devices not only installs latest security patch but also performs under the hood improvements in overall firmware. If you are owner of one of them, then give a try to capture the OTA manually, go to Settings > About phone > System updates.
If this process didn’t helped you then you can grab the 41.3.A.2.24 firmware ftf file from the link below and install it manually using Sony flashtool. The whole process is mentioned below just follow the steps in sequence to flash the December patch 41.3.A.2.24 firmware on Xperia XZ, X Performance and XZs via Sony Flashtool.
Update December patch 41.3.A.2.24 on Xperia XZ, X Performance and XZs
Before you begin:
Download latest USB drivers for Sony. Grab them
Set up Adb and fastboot drivers. Follow this guide
Enable USB debugging. Settings > Developers options > USB Debugging
Process to install stock firmware on Xperia devices via Sony Flashtool
Now follow this guide to install stock firmware ftf via Sony flashtool.
That’s it! Give us your feedback or feel free to contact us for any queries.
Download 41.3.A.2.24 ftf for Xperia XZ, X Performance and XZs
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Source: Xperia Blog