This seems not to be a bug of sony, LG users have this problem too. It is caused by the latest version of chrome browser, although I don't know why…
So, Uninstall update of chrome fixes the bug.
If you want to use newer version of chrome, it is confirmed that chrome beta do not cause the bug.
Sent from my LT29i using xda-developers app
So, Uninstall update of chrome fixes the bug.
If you want to use newer version of chrome, it is confirmed that chrome beta do not cause the bug.
Sent from my LT29i using xda-developers app