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Apple unveils iPhone 18 Pro with variable aperture camera and Siri AI

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Apple unveils iPhone 18 Pro with variable aperture camera and Siri AI

Apple announced the iPhone 18 Pro and iPhone 18 Pro Max on September 9, 2026, built around a variable-aperture main camera, the A20 Pro chip, a longer-lasting battery and a rebuilt version of Siri called Siri AI. The phones come in four finishes: black, silver, glacier and a new burgundy. Pre-orders open Saturday, September 12, with sales starting Friday, September 18. Greg Joswiak, Apple's senior vice president of Worldwide Marketing, said the update targets what he called the four areas Apple's users care about most: camera, performance, battery and intelligence.

The headline hardware change is the new 48-megapixel Fusion Main camera, which gains variable aperture for the first time on an iPhone. Six laser-cut blades move smoothly between four aperture settings, adjusting automatically for depth of field and lighting, or a user can set any of the four manually inside the Camera app; Apple is also opening an API so developers can control aperture from within their own apps. A new sensor and computational imaging pipeline are meant to improve low-light shots and sharpen detail in the background of group photos, while upgraded Photographic Styles add new texture and grain controls. Video gains too: Cinematic effects can now be applied after filming to footage shot at up to 60 frames per second, Time-lapse mode can record in 4K with Dolby Vision HDR, and Audio Mix has new algorithms for higher-quality voice capture that can also isolate music from a recording. A new customizable panel called Pro controls puts lens aperture, shutter speed and white balance within direct reach in the Camera app, alongside a histogram for checking exposure.

A new feature called Apple Reference Image is meant to let people prove a photo taken on iPhone 18 Pro is unaltered. The Main camera's new sensor signs every pixel it captures, and Private Cloud Compute turns that signed data into a reference version of the image that cannot be changed; it appears alongside the main photo in the Photos app, like a digital negative, so the two can be compared for edits. APIs across iOS, iPadOS and macOS 27 let third-party apps display these reference images. Image metadata, together with upcoming support for the SynthID watermarking standard, is meant to help identify pictures that were generated or edited with AI. Apple calls the combination its answer to image authenticity for photojournalists, photographers and ordinary viewers.

A20 Pro, built on a 2-nanometer process, pairs a new 6-core CPU (with integrated Neural Accelerators and 50 percent more memory bandwidth than the A19 Pro) with a new 7-core GPU that Apple says is up to 40 percent faster than the A19 Pro's GPU. Its Neural Engine moves to a Dual 16-core design with 32 total cores, which Apple says doubles the AI processing power of the A19 Pro. New chip packaging, borrowed from Apple's M-series Mac chips, places the silicon die next to the memory instead of on top of it, keeping memory out of the chip's thermal path so it can sit directly against a redesigned vapor chamber with three times the surface area of the one in iPhone 17 Pro; Apple says the result is up to 40 percent more sustained performance than the previous generation. A new wireless chip called N1 enables Wi-Fi 7, Bluetooth 6 and Thread, and iPhone 18 Pro introduces a new cellular modem, C2, which Apple says delivers meaningfully faster uploads than the previous C1X while using 15 percent less energy, and now supports mmWave in the US.

The Dynamic Island is redesigned to show three Live Activities at once, on top of its existing roles in Face ID unlocking, purchase authentication and app sign-in. Battery life sees what Apple calls the largest increase ever on an iPhone: eSIM-only models get up to 36 hours of video playback on iPhone 18 Pro and up to 45 hours on iPhone 18 Pro Max. iPhone 18 Pro can charge to 50 percent in about 15 minutes wired or 30 minutes wirelessly; on iPhone 18 Pro Max, five minutes of wired charging is enough for about seven hours of video playback, and Apple's new battery-usage model, based on real-world data, puts full-charge usage at up to 30 hours.

iOS 27 ships with Apple Intelligence and an all-new Siri, branded Siri AI, rolling out in beta. Apple describes it as far more personal, capable and conversational: it can draw on personal context to find things across messages, emails and photos, use onscreen awareness to act on whatever is on the screen, and answer questions on virtually any topic; inside the Camera app, a Siri mode can identify and act on what the lens is pointed at, and users can write by simply describing what they need. Other Apple Intelligence features get updates too: Spatial Reframing, Extend and an upgraded Clean Up let users recompose a photo after it is taken, and Image Playground now generates photorealistic imagery. In Safari, a new Notify Me feature watches web pages for changes such as restocks or price drops. Apple says the processing runs on-device or through Private Cloud Compute to keep it private. iOS 27 also refines the Liquid Glass visual design with more ways to personalize its appearance, adds parental controls for managing what children can see, who they can talk to and when, and introduces iPhone Handoff, letting someone with a supported carrier switch between two iPhones that share the same phone number.

eSIM is supported by more than 500 carriers worldwide, including AT&T, T-Mobile and Verizon. eSIM-only versions of both phones will be sold in Bahrain, Canada, Guam, Japan, Kuwait, Mexico, Oman, Qatar, Saudi Arabia, the UAE, the US and the US Virgin Islands, where the space freed from the physical SIM tray buys about two more hours of video playback. New accessories include Silicone Cases, TechWoven Cases, Crossbody Straps and FineWoven Wallets in the four finishes, an updated Clear Case that now works with the Crossbody Strap and the new Wrist Strap, and the Wrist Strap itself, a hands-free way to carry the phone, AirPods Pro 2 or AirPods Pro 3, woven from 100 percent recycled polyester with embedded magnets. The text supplied here does not give a price for either phone, and it does not list storage-capacity options.

Key facts

  • Apple unveiled the iPhone 18 Pro and iPhone 18 Pro Max on September 9, 2026, in four finishes including a new burgundy; pre-orders start September 12, with sales beginning September 18.
  • The 48MP Fusion Main camera gets iPhone's first variable aperture: six laser-cut blades move across four settings, adjustable automatically or by hand, with a new API for developers.
  • A20 Pro is built on a 2-nanometer process, with a 6-core CPU carrying 50 percent more memory bandwidth than A19 Pro and a 32-core Neural Engine that Apple says doubles A19 Pro's AI processing power.
  • A redesigned vapor chamber with three times the surface area of iPhone 17 Pro's gives up to 40 percent more sustained performance, and eSIM-only iPhone 18 Pro Max models reach up to 45 hours of video playback.
  • iOS 27 introduces Siri AI, a rebuilt Siri with personal-context and onscreen awareness, plus Apple Reference Image, which signs photos with the camera sensor so edits can be detected later.

Why it matters

Two genuine firsts anchor this release: iPhone gets aperture control for the first time, and Siri gets rebuilt from the ground up as Siri AI. Joswiak framed the update around the four things he said Apple's users care about most, camera, performance, battery and intelligence, calling the changes leaps rather than increments. The most novel single piece is Apple Reference Image: the new Main camera sensor signs every pixel it captures, and Private Cloud Compute turns that signed data into an unalterable reference version of the photo, viewable next to the original in the Photos app so edits can be spotted. Paired with image metadata and upcoming support for the SynthID watermarking standard, Apple positions the feature as a response to a real problem: telling a genuine photo from an AI-generated or AI-edited one, something the company calls vital for photojournalists, photographers and everyday viewers.

Who it affects

iPhone 18 Pro and iPhone 18 Pro Max buyers get the hardware directly, but two new developer APIs widen the effect: one lets outside apps control variable aperture inside their own camera interfaces, and a second, spanning iOS, iPadOS and macOS 27, lets third-party apps display Apple Reference Images. Parents get new iOS 27 tools for managing what children can see, who they can talk to and when. Carriers and international buyers are affected too: the new C2 modem is credited with meaningfully faster uploads than the outgoing C1X at 15 percent less energy and now supports mmWave in the US, while eSIM-only versions of both phones will be sold in Bahrain, Canada, Guam, Japan, Kuwait, Mexico, Oman, Qatar, Saudi Arabia, the UAE, the US and the US Virgin Islands, where the space freed from the physical SIM tray adds about two hours of video playback.

How to use it

Pre-orders open Saturday, September 12, 2026, with the phones on sale Friday, September 18, in black, silver, glacier and a new burgundy finish. The text supplied here does not give a price or the storage-capacity options for either model. In the Camera app, a new Pro controls panel puts lens aperture, shutter speed and white balance within direct reach, next to a histogram for checking exposure. Siri AI arrives as a beta with iOS 27; it can be called up inside the Camera app to act on whatever the lens is pointed at, or used to write by describing what's needed instead of typing it out. New accessories, Silicone and TechWoven cases, Crossbody Straps, FineWoven Wallets and a Wrist Strap for hands-free carry of the phone or AirPods Pro, ship in the same four finishes.

How solid is it

This is Apple's own press release, so every spec and performance figure here (memory bandwidth, GPU speed, sustained-performance gain, battery hours) comes from the company, not an independent benchmark. Several of the biggest numbers carry an "up to" qualifier: the 40 percent GPU gain, the 40 percent sustained-performance gain, and the 36-hour and 45-hour battery figures are best cases, not guarantees. Superlatives like "the most advanced camera Apple has ever made" and "the largest increase in battery life ever on iPhone" are Apple's own comparison against its prior models, not a claim measured against any other phone maker. The text supplied here also cuts off mid-sentence in the accessories section, so some closing material, pricing included, is not visible in what was reviewed.

Risks and caveats

All the performance and battery numbers are Apple's own and mostly carry an "up to" qualifier, so real-world results will vary by use. Siri AI ships only as a beta with iOS 27, not as a finished feature. The release names C2 for iPhone 18 Pro specifically and does not say whether iPhone 18 Pro Max also carries it, and it does not state what SIM options exist in countries beyond the eSIM-only list it names. Apple Reference Image and the metadata-based identification of AI-edited photos also depend on the SynthID standard, which the release calls "upcoming" rather than already active.

“iPhone 18 Pro makes it easy for anyone to capture stunning photos and videos using variable aperture, while providing more versatility for creators and more control for pros. Paired with impactful upgrades to Photographic Styles and powerful video capabilities, iPhone 18 Pro unlocks entirely new ways for users to express themselves.”

— Greg Joswiak, Apple's senior vice president of Worldwide Marketing