Sony mobile started seeding November security patch to it’s devices, earlier today Xperia X and X Compact received the update carrying build 34.3.A.0.244. If you are running previous firmware build 34.3.A.0.238 then your device is eligible for getting 34.3.A.0.244 OTA anytime soon.
The November patch 34.3.A.0.244 for Xperia X and X Compact 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 34.3.A.0.244 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 November patch 34.3.A.0.244 firmware on Xperia X and X Compact via Sony Flashtool.
November security update 34.3.A.0.244 released for Xperia X and X Compact
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 November security patch 34.3.A.0.244 on Xperia X and X Compact via Sony Flashtool
Now follow this guide to install November patch 34.3.A.0.244 firmware ftf via Sony flashtool.
That’s it! Give us your feedback or feel free to contact us for any queries.
Download 34.3.A.0.244 ftf for Xperia X and X Compact
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Source: Xperia Blog