This year, we saw quite a few images of the Sony Xperia Z1 leak weeks before the device was even introduced; back then, of course, the camera-centric flagship was known by its code name, the Honami. By the time the phone was introduced, everything about the device was already known. This type of thing is not okay with Sony's brass...
Source: http://www.phonearena.com/news/Sony-aims-to-stop-leaks-of-prototypes_id47607
Source: http://www.phonearena.com/news/Sony-aims-to-stop-leaks-of-prototypes_id47607