iPhone 18 Pro adds cryptographic photo provenance, variable-aperture camera, 2nm A20

Apple unveiled the iPhone 18 Pro and 18 Pro Max, leading with a 48MP main camera that gains true variable aperture — six laser-cut blades that shift across four settings, exposed to developers through an API. The headline feature for a security-minded audience is Apple Reference Image: a new camera sensor cryptographically signs every pixel it captures, and Private Cloud Compute turns that signed sensor data into a tamper-evident ‘digital negative’ that can be compared against the final photo to reveal edits. Paired with image metadata and forthcoming support for the SynthID watermarking standard, it’s Apple’s pitch for image authenticity aimed at photojournalists as deepfakes and generative edits proliferate.

Under the hood, the A20 Pro moves to a 2nm process with a redesigned vapor chamber for sustained performance, and Apple claims roughly double the on-device AI throughput of the prior generation via a dual 16-core Neural Engine. Connectivity gets Apple’s own N1 wireless chip (Wi-Fi 7, Bluetooth 6, Thread) and the C2 cellular modem, which adds U.S. mmWave support while cutting energy use. Battery life sees its largest jump yet, with the Pro Max rated up to 45 hours of video playback.

The phones ship with iOS 27, the next iteration of Apple Intelligence, and a rebuilt ‘Siri AI’ assistant rolling out in beta. Apple continues to frame its AI push around on-device processing and privacy. Pre-orders open September 12, with devices available September 18 in four finishes, including a new burgundy.