
Apple returned to aluminum for the entire iPhone 17 lineup, except for the new iPhone Air, which retained a titanium frame. Next year's much-rumored iPhone Fold could take a page from both books.
Analyst Jeff Pu claimed in an investor note (seen by MacRumors) that the foldable iPhone will feature a frame built from a combination of titanium and aluminum. Allegedly, he says that Apple will use titanium in both the iPhone Fold and next year's iPhone Air.