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Iphone 18 Pro Max adds variable aperture, bigger battery and A20 Pro chip

By Nathan Reed Apr 28, 2026

Apple's iPhone 18 Pro Max goes on sale as the company adds variable aperture technology to its flagship lineup for the first time, giving users dynamic control over light intake and depth of field. The phone also brings enhanced night mode and improved portrait capabilities, while keeping the core design language of the iPhone 17 Pro Max.

The update matters because is using the iphone 18 pro max to push its camera hardware harder without abandoning the familiar shape buyers already know. The device is powered by the A20 Pro chip, Apple's first processor built on a 2-nanometer architecture, and carries a battery capacity above 5,000 mAh. It is slightly taller and wider than its predecessor, with a redesigned camera module to fit the new hardware, plus ceramic shield glass, aerospace-grade aluminum and a dark cherry color option highlighted in a linked color report.

The comparison with the iPhone 17 Pro Max shows how cautious the redesign is. Apple is clearly signaling refinement rather than a full reset, even as reports continue to suggest it is exploring foldable smartphone technology. For now, the iPhone 18 Pro Max is the company's most direct move to improve image quality, battery life and performance in the same premium shell.

The open question is how much of that technical progress will matter to buyers outside the camera crowd. Apple has packed more into the iphone 18 pro max, but it has done so by changing the machine under the hood more than the phone in the hand.

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