Apple switched from titanium to aluminum in the iPhone 17 Pro to fix overheating issues and improve thermal performance. The new aerospace-grade aluminum outperforms titanium in heat dissipation, durability, and weight-proving that real-world performance matters more than material prestige.
Apple switched from titanium to aluminum in the iPhone 17 to fix overheating, improve performance, and reduce weight - not because aluminum is better, but because it works better. Here’s what really changed.