Yeah, that's the so called "ghost clicking". It usually happens if you have some dirt on the screen. It was a bigger issue on pre-257 firmwares, so Sony has made thing better for most people by updating, so it's mostly a software issue.
Heads up notifications, in case you didn’t already know, are an experimental … more
15 Sep 2014
By Conan Troutman
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?