What were they thinking?!

At this point, Apple has to increase the size of the iPhone's display.

Plummeting iPhone sales demand it!

Competing smartphones that run Android and Windows Phone surpassed the 3.5-inch mark years ago. ... These newer HD displays work well with HD content that is available from a wide range of content sources, such as the Google Play Store, Netflix, and others. They also look darned good.

As opposed to the iPhone's Retina display, which looks like ten pounds of crap in a five-pound bag that's already full of five pounds of crap.