These all-metal models take less time to produce than the plastic dummies 

we often see later in the year since they are made from a single block of aluminum.

These devices provide us with a decent indication of what to anticipate in terms of overall size

 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