The iPhone 17 Air is expected to carry that forward by being “about 2 millimeters thinner” than current iPhones, Gurman has written. Other recent rumors have put it between 5.5mm and 6.25mm thick, which is close to the M4 iPad Pro’s depth and less than the thinnest iPhone so far,

The iPhone 17 Air is rumored to be 5.5 mm thick It's expected to replace the iPhone 16 Plus Samsung is rumored to be launching a Galaxy S25 Slim too If the rumors are right, we'll get a new iPhone model this year: the iPhone 17 Air.

The so-called "iPhone 17 Air" model expected to launch later this year will have an ultra-thin design that is 5.5mm at its thinnest

If Kuo's 5.5mm thickness prediction comes true, iPhone 17 Air will be the thinnest iPhone ever built, beating the previous record of 6.9mm thick iPhone 6 from 2014.

The key phrase here is “thinnest part” which indicates that the iPhone 17 Air won’t achieve this remarkable thinness consistently. This probably just means that the camera will jut out a little bit, as it does on almost all modern smartphones, but it’s possible that this could refer to a tapered design of some kind.

Macworld In a new Medium post today, analyst Ming-Chi Kuo outlines a few expectations for the iPhone models coming this year. Most of it corroborates previous iPhone 17 rumors and Kuo’s own previous statements,

Phone 17 Air is coming this fall as an ultra-thin new model, and now Ming-Chi Kuo reports that it’s going to be thinner than we thought.