Apple's 20th anniversary iPhone models, expected to be called the iPhone 20, are rumored to debut in fall 2027 with a major redesign. The phones are said to feature curved glass on both the front and back, along with solid-state buttons.Now, a new leak has offered more details on its internal design and cooling system. According to tipster Fixed Focus Digital, the iPhone 20 series will feature a frame similar to the one used on the iPhone Air and also closely match the slim profile of Apple's ultra-thin handset.iPhone AirThe tipster also claims that the iPhone 20 will offer...