A new aluminum process to end “color-gate”?

According to Korean leaker yeux1122, Apple plans to introduce an improved aluminum refining process for the iPhone 18 Pro and iPhone 18 Pro Max.

The key difference lies in using lower temperatures during production while reducing the number of electrochemical refining stages.

The revised process is believed to lower the melting point of the material mixture and prevent the formation of resin-like structures on electrode surfaces. As a result, the aluminum alloy could offer greater corrosion resistance, improved structural durability and, most importantly, a significantly lower risk of color changes over time.

In practical terms, the iPhone 18 Pro Max may be able to maintain its original finish for much longer, even after months or years of use. That is exactly what many iPhone 17 Pro Max owners have been hoping for.

Beyond improving product quality, the new process is also said to reduce manufacturing costs through more efficient use of materials. The change aligns with Apple’s long-term sustainability goals and could become a key part of the company’s environmental messaging for the iPhone 18 Pro lineup.

In reality, most iPhone 17 Pro Max users never experienced any color-shifting issues. However, it only takes a relatively small number of widely shared social media posts to create a new “gate” - the term commonly used by the tech community for controversial product-related incidents.

The issue becomes even more significant as Apple is rumored to introduce a completely new Dark Cherry finish for the iPhone 18 Pro series. Industry observers expect it to become one of the most striking colors Apple has ever offered.

The last thing Apple would want is for users to purchase a premium cherry-red smartphone only to see its appearance gradually change over time.

Previous reports suggested Apple would continue using aluminum frames on Pro models rather than switching to alternative materials. Aluminum remains attractive because of its superior heat dissipation capabilities, particularly as mobile processors become increasingly powerful.

At the same time, earlier reports indicated that color-shifting issues might still persist. The latest leak does not necessarily contradict those claims. Apple would still be using the same base material but changing how it is processed and manufactured to improve the final result.

How should consumers approach the issue?

On Reddit, some users have speculated that the color-changing phenomenon seen on certain Cosmic Orange iPhone 17 Pro Max units may be linked to specific manufacturing locations.

One user claimed to have replaced their device twice because the finish changed unexpectedly after a period of use. Another jokingly asked whether the issue was still occurring because they actually wanted their orange phone to turn pink.

These reactions illustrate how divided consumers can be. Some view the phenomenon as a serious manufacturing defect on a device costing well over $1,000. Others see it as a unique characteristic that makes their phone stand out.

From a commercial perspective, however, Apple is unlikely to tolerate unintended changes to product appearance. Design consistency has remained one of the company’s core values for decades.

For those concerned about color changes, the simplest solution remains using a protective case and leaving it on throughout the device’s lifespan. Doing so reduces environmental exposure and helps preserve the original finish.

Another option is choosing more neutral color variants, where any gradual changes are less noticeable than on bold finishes such as orange, red or purple.

Consumers should also pay close attention to Apple’s expected iPhone 18 Pro announcement this September. While the company is unlikely to directly address any controversy surrounding the iPhone 17 Pro Max, a strong emphasis on new aluminum manufacturing techniques or sustainability initiatives could indicate that current rumors have some merit.

Unique colors will always appeal to technology enthusiasts. Many buyers are willing to choose the most eye-catching version available, even knowing that slight changes may occur over time.

However, a smartphone is not a leather jacket or a pair of jeans. When spending a significant amount on a premium device, customers have every right to expect that its color and finish will remain as intended from the day they purchased it.

If Apple has indeed succeeded in developing a new aluminum production process for the iPhone 18 Pro Max, it could become one of the most important - and most understated - upgrades of the next iPhone Pro generation.

Hai Phong