Apple might switch back to titanium for future iPhones. According to Chinese leaker Instant Digital, the company isn't done with the material yet. It's now working on an improved version that could fix the main issue with earlier titanium models: poor heat conductivity.
Apple first used titanium in the iPhone Pro back in 2023, positioning it as a premium hallmark. But for the iPhone 17 Pro, the company reportedly moved to aluminum. The reason? Better heat dissipation, since aluminum handles thermal loads more effectively.
Instant Digital suggests the aluminum move might have been a temporary compromise rather than a permanent goodbye to titanium. Apple is said to be developing a new titanium alloy that keeps the strength and premium feel while being lighter and better at heat transfer. Once that formula is ready for mass production, Pro models could go back to titanium.
The leaker also mentions liquid metal as a possible material for future devices, especially the hinge of the rumored iPhone Ultra. But mass production remains extremely challenging. So an upgraded titanium seems more realistic, especially if Apple combines it with vapor chamber cooling.
Apple already uses titanium in the iPhone Air, and the iPhone Ultra might also get it. For ultra-thin models, strength is key, making titanium appealing. The big question is whether Apple can deliver both durability and heat management for demanding Pro models.