Apple might have found a fix for the iPhone Air 2's battery issues.

The next-gen Air is reportedly skipping design changes to focus on a new chip, all in the name of fixing its biggest flaw.
The first iPhone Air made an impression with its thin design, but its battery performance was lacking. A recent report from analyst Mark Gurman indicates that Apple is working on a solution.
The report claims that the second iPhone Air will prioritize a 2-nanometer chip. This suggests the upcoming version will focus on internal improvements instead of significant design changes. The primary goal of this chip enhancement is to enhance the Air's battery life, which Gurman identified as the "biggest drawback of the first model."
Adopting a 2nm process represents a notable advancement in chip technology. This signifies more than just increased speed for users. A smaller node enables Apple to pack transistors more densely, which can be used to improve performance, but more importantly, increase power efficiency.
An ultra-thin design limits the physical space for a larger battery. The original iPhone Air appeared to push this limit too far, resulting in battery life that did not live up to the standards set by other Pro models.
Apple is addressing the problem at its source by concentrating on a 2nm chip. A more efficient processor can accomplish the same tasks with less energy, which leads to improved battery life from a battery of similar size. Improving the device's power consumption is the most sensible approach to improve battery life for a phone known for its slimness.
This is definitely the right course of action for Apple. Although the first iPhone Air's design was a remarkable feat of engineering, its practicality was immediately questioned due to its subpar battery performance. A phone that cannot be used for a full day is impractical for most users, regardless of its thinness.
By focusing the second-generation model on resolving this fundamental flaw, Apple is treating the Air as more than just a "technology exercise." It recognizes that a solid core experience is necessary for a device to succeed. Upgrading the chip for increased efficiency is a necessary step to make the iPhone Air a practical product for a wider audience.