Sony Mobile has released a new firmware update for the Xperia XZ2 and XZ2 Compact, which adds the May 2018 Android security patches, as seen on other premium Xperia X series over the last few days. The new update moves the build number from 51.1.A.3.159 to version 51.1.A.4.173, and no other changes have been noted at this time. Please let us know your impressions if you’ve updated below.
Thanks Azeez and Makis!