Users reporting performance issues with Xperia Z5 series Android 7.1.1 update
Sony has contacted us about the matter and you will find their official statement concerning the case below. The Android 7.1.1 update for , and started rolling out towards the end of June this year, bringing new features and improvements. However, it looks like the update has some major issues for at least a few of its early adopters. Affected users say they are observing sluggish performance ever since the update was installed. Problems like high temperatures, crashes, and reboots have been reported. If you are among the affected, you can try the suggested fix above.