Apple Unveils iPhone Duo: Its First Foldable, Starting at $1,999
Apple closed almost a decade of rumors: the iPhone Duo is its first foldable phone and it starts at $1,999. Unveiled on September 9 with a 7.6-inch inner display, a titanium hinge and Touch ID.
What Apple Announced on September 9
The annual event took place on Wednesday, September 9 at Apple Park under the name "Surprise and Shine". The lineup included the company's first foldable, refreshed iPhone 18 Pro and Pro Max models, the Apple Watch Series 12, the Watch Ultra 4 and new AirPods 5. The base iPhone 18 did not show up: it has been pushed to spring 2027, so there is no entry-level refresh this year.
iPhone Duo: Displays, Hinge and Touch ID
5.4 Inches Outside, 7.6 Inches Inside
Closed, the iPhone Duo shows a 5.4-inch outer screen (some outlets cite 5.5). Open, it unfolds a 7.6-inch inner panel. Both are Super Retina XDR with ProMotion and Ceramic Shield 2, with up to 3,000 nits of peak outdoor brightness. The shape feels like a passport: wider than it is tall, with rounded edges.
Titanium Hinge and an A20 Pro Chip Built on 2 nm
The hinge is made of titanium and packs more than 100 components. It is the part that concentrates the most engineering work, because the whole fold depends on it surviving years of opening and closing. Inside sits the A20 Pro chip, built on a 2 nm process, the same efficiency jump the iPhone 18 Pro debuts.
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Touch ID in the Side Button: Face ID Steps Aside
The Duo does not use Face ID. Authentication goes back to a fingerprint sensor built into the side button, and it works whether the phone is open or closed. It is the biggest habit change in the interface, and it forces teams to revisit any login flow that assumes facial recognition.
Price, Pre-Orders and Availability
From $1,999 (256 GB) to $3,199 (2 TB)
The iPhone Duo starts at $1,999 for 256 GB and climbs to $3,199 for the 2 TB model. There is no cheap configuration: it is the most expensive iPhone ever. In the United Kingdom it starts at £1,999.
Pre-Orders October 16, On Sale October 23 in More Than 70 Countries
Pre-orders open on Friday, October 16 at 5:00 PT, and the phone goes on sale on Friday, October 23 in the United States and more than 70 countries, including Canada, China, France, Germany, India and Australia.
iPhone 18 Pro and Pro Max: Pricier, With More Battery
$1,199 and $1,299, With 256 GB as the Baseline
The iPhone 18 Pro starts at $1,199 and the Pro Max at $1,299, roughly $100 more than the previous generation. Storage now starts at 256 GB. Pre-orders are already open and sales begin on September 18.
Up to 45 Hours of Video Playback on the Pro Max
The Pro Max reaches 45 hours of video playback, the longest battery life ever recorded on an iPhone. The 18 Pro, for its part, matches the battery of the previous 17 Pro Max.
Apple Watch Series 12, Watch Ultra 4 and AirPods 5
Same Price as Last Generation: $399 and $799
The Series 12 starts at $399 and the Watch Ultra 4 at $799, with no price increase. Both debut a faster chip and new health features powered by Siri. The AirPods 5 round out the batch. They can be pre-ordered now and ship on September 18.
iPhone Duo vs Android Foldables
Apple is not entering an empty market. Samsung has sold foldables since 2019 and Google since 2023, and this same week Huawei and Xiaomi showed off their own. The Duo lands about $100 to $200 above the Galaxy Z Fold 8, with the edge of iOS and its ecosystem, and the handicap of foldable software Apple is building from scratch against rivals with seven years of practice.
What It Means for Developers and Users
A new form factor always breaks assumptions. Apps will have to handle two displays with different states, animations between closed and open, and a small outer panel that forces a review of layouts and tap targets. If you already support iPad and adaptive sizes, half the work is done; if not, you are opening Xcode. For buyers the math is simpler: it is a $2,000 phone, and the real question is whether the shape adds more than a small tablet would.
Conclusion
The iPhone Duo is a high-price bet with conservative execution: Apple prioritized the hinge and the A20 Pro's efficiency over an ambitious foldable software push. If the form factor sticks, a generation of interfaces that fold is coming. For the rest of the system context, we already covered iOS 26 and its new iPhone features on the blog.
