Sony is rolling out a new update 34.4.A.2.70 for Sony Xperia X and X Compact smartphones. The new patch has added latest Android security patches for the month of May.
The latest Android May Security patch fixes Common Vulnerabilities and Exposures (CVE) in the open-source Android OS. In addition, there are various other fixes and improvements.
Sony Xperia X and X Compact update 34.4.A.2.70 will gradually release to everyone. You can also check manually for updates, go to Settings > About device > System update.
Make sure you have enough charge on your device at least 60% to 70% before downloading the update