Sony Xperia XZ and X Performance receive minor update Posted on January 3, 2017 by Deep Sony has started rolling out a new update to its Xperia XZ and X Performance smartphones. It’s a minor, bug-fixing update that bumps the build number from 39.2.A.0.361 to version 39.2.A.0.374. This is the second update that has been rolled Read More Sony Xperia XZ and X Performance receive minor update