Sony Mobile is on the roll with the latest Android 7.1.1 Nougat, after updating Xperia XA/Ultra, today Xperia X and Xperia X compact units are getting it right now. The update bearing firmware number 34.3.A.0.194 rolls out via OTA as we speak, if you are running Android 7.0 Nougat based 34.2.A.2.69 then you are eligible to update your device via OTA. The official Android 7.1.1 Nougat 34.3.A.0.194 for Xperia X and X Compact also installs June security patch and a lot more 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.0.194 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 Nougat based 34.3.A.0.194 firmware on Xperia X and X Compact via Sony Flashtool.
How to install 34.3.A.0.194 ftf update on Xperia X and X Compact
Before you begin:
Download latest USB drivers for Sony. Click here
Enable USB debugging. Settings > Developers options > USB Debugging
Process to install the Nougat based 34.3.A.0.194 firmware on Xperia X and X Compact via Sony Flashtool
Now follow this guide to install stock Nougat 34.3.A.0.194 firmware ftf via Sony flashtool.
That’s it! Give us your feedback or feel free to contact us for any queries.
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Source: Xperia Blog