In the first post. It's one of the bulletpoints.
- Wide color displays in the same sizes and resolutions as the current iPhone 6s and 6s Plus. The wide color technology adopted from the 9.7-inch iPad Pro will offer better color quality.
Argh I see, thanks. I had misinterpreted "better screens" as, perhaps, more shatter resistant glass screens, rather than, as it seems, better color management?