iPhone 15 Could Feature Titanium Chassis With Curved Rear Edges

Apple’s 2023 iPhones will feature a titanium chassis with a curved rear edge, replacing the existing boxy design, according to a new rumor.

According to Twitter user @ShrimpApplePro, the rear edge of the iPhone 15 will be rounded to create a new bezel, similar to the bottom edge of the casing on Apple’s latest 14-inch and 16-inch MacBook Pro models. For reference, the iPhone 14 models use a flat design with squared-off edges, reminiscent of the ‌iPhone‌ 4. The last model to feature curved edges was the ‌iPhone‌ 11.

Despite the switch to titanium, the leaker claims the iPhone 15 will “still have a glass back” and has given accurate info in the past, though @ShrimpApplePro warns that it’s “too early”

This isn’t the first time we’ve heard rumors that Apple will release a titanium ‌iPhone‌. Earlier this year, ‌iPhone 14‌ rumors suggested that the iPhone 14 Pro and ‌iPhone 14 Pro‌ Max would have titanium bodies, but this has not been confirmed: All ‌iPhone 14‌ models have bodies made of aluminum and stainless steel.

However, Apple recently conducted an investigation into the feasibility of using titanium casings for its products, including patents related to the use of machined titanium with unique properties in future MacBooks, iPads, and iPhones.

Titanium has a relatively high hardness compared to stainless steel, making it more scratch-resistant, and its rigidity makes it durable enough to withstand bending.

However, titanium’s strength also makes it difficult to etch, so Apple developed a sandblasting, etching, and chemical process that gives titanium casings a high-gloss finish for an even more attractive appearance. Apple has also been investigating the use of a thin oxide surface coating to reduce the appearance of oily fingerprints.

If the latest reports are accurate, this will be the first time Apple has used titanium in iPhones and iPads. The company has used titanium as the casing material in recent Apple Watch models such as the Apple Watch Ultra, and the physical Apple Card is made of titanium, but the latest iPhones and iPads are made of stainless steel and aluminum.

The iPhone 15 models, which are expected to arrive in September 2023, will be the same size as the iPhone 14 series and feature USB-C instead of Lightning, solid-state volume and power buttons, new camera technology, and Dynamic Island for all models.

According to Bloomberg’s Mark Gurman, Apple may follow its Apple Watch Ultra naming convention, replacing the “Pro Max” version of the ‌iPhone 15‌ with a new “Ultra” model to denote the top-of-the-line product. However, it is unknown whether the titanium casing rumors are related to specific iPhone 15 models.

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