Let's examine the modifications coming to the entire iPhone 15 series 

before moving on to the model-on-model upgrades. 

The feel of the devices was the first thing that caught our attention.

 iPhone 15 Plus, iPhone 15 Pro, and iPhone 15 Pro Max, are in our possession.

 The fact that two screens measure 6.1 inches and two screens measure 6.7 inches 

 indicates that screen sizes will probably not change. Before the release of the new iPhone, 

 manufacturers tested their covers and accessories on these individually machined prototypes