https://www.androidsage.com/2016/11/30/download-xperia-x-devices-39-2-a-0-327-android-7-0-nougat-marshmallow-full-ftf-firmware/
Download Xperia X devices 39.2.A.0.327 Android 7.0 Nougat & Marshmallow full FTF firmware [How to Install]