http://www.techradar.com/news/sony-xperia-xz-premium-2-what-we-want-to-see

The Sony Xperia XZ Premium is one of the most impressive Sony flagships of recent years, thanks largely to its 4K screen and capable camera. Thing is, it’s been out a while now, so talk is inevitably turning to what's next; the Sony Xperia XZ Premium 2.

Will it go above 4K? Will it launch soon? And will it have a new design? We don’t have definitive answers to any of those questions yet, but we are starting to hear rumors, which we’ve detailed below.