1. The iPhone 17 Air, expected to be released next year, is rumored to be significantly thinner than previous models; 2. It is speculated that the thickness of the iPhone 17 Air will be similar to that of the current iPad Pro, which is around 5.1mm for the 13-inch model and 5.3mm for the 11-inch model; 3. This reduction in thickness is seen as a premium feature that will appeal to design-conscious customers.