a week ago
Sony Mobile has updated the Xperia XA1 and Xperia XA1 Plus with new firmware updates that move the Android security patch to 5 January 2018. The importance of this security update is that the Meltdown and Spectre CPU vulnerabilities are now patched.
The Sony Xperia XA1 firmware has moves the build number from 40.0.A.6.175 to version 40.0.A.6.189. The Sony Xperia XA1 Plus moves from 48.0.A.1.117 to version 48.0.A.1.131. The handsets remain on Android 7.0 Nougat, but Sony is planning an upgrade to Android Oreo later in the year.