/ THE SHORT ANSWER
iPhone Duo is Apple’s first foldable iPhone, with a 7.6-inch inner display, a 5.4-inch outer display, A20 Pro, and a starting US price of $1,999. Preorders begin October 16 and availability starts October 23 in more than 70 markets, including India.
- 01Apple lists a 7.6-inch inner OLED display and a 5.4-inch outer OLED display, both with ProMotion up to 120Hz and 3,000 nits peak outdoor brightness.
- 02The phone starts at $1,999 in the US, with 256GB, 512GB, 1TB, and 2TB storage options.
- 03Preorders open October 16 and sales begin October 23 in more than 70 countries and regions, including India.
- 04A20 Pro, Siri AI, Duo Preview, Smart Take, Kid Cue, and dual-display FaceTime are central to Apple’s software pitch.
- 05Touch ID is built into the side button, and the device is eSIM-only worldwide.
/ dotSuper point of view
The important story is not simply that Apple made a foldable. iPhone Duo combines a tablet-like canvas, split-screen workflows, new dual-display camera interactions, and on-device AI in a device that still carries first-generation pricing and durability questions.
The launch in one minute
Apple has formally entered the book-style foldable market with iPhone Duo. It opens to a 7.6-inch inner display and closes around a 5.4-inch outer display, giving users a normal phone surface for quick tasks and a larger workspace for reading, video, creation, and multitasking.
US pricing starts at $1,999. Apple says preorders begin at 5 a.m. Pacific on October 16, with availability from October 23 in more than 70 countries and regions, including India. Star White and Night Sky are the two launch colors.
- 256GB, 512GB, 1TB, and 2TB storage
- 254g weight
- 5.2mm thick when open and 11.3mm when folded
- IP68 water and dust resistance
The foldable design is built around two useful displays
Both OLED panels support ProMotion up to 120Hz and an outdoor peak brightness of 3,000 nits. Apple also applies a nano-texture treatment to the inner display to reduce glare. The grade 5 titanium enclosure, Ceramic Shield 2 front cover, Ceramic Shield back, and a hinge built from more than 100 components show where Apple concentrated its first-generation engineering effort.
Authentication comes from Touch ID in the side button rather than Face ID. The worldwide eSIM-only decision is another practical detail buyers should check before switching, especially when travelling or using carriers with weaker eSIM support.
- 7.6-inch inner display
- 5.4-inch outer display
- Up to 120Hz on both displays
- Apple Pencil with USB-C support is planned for later this year
A20 Pro and AI are part of the product, not a separate mode
iPhone Duo uses A20 Pro with a 6-core CPU, 7-core GPU, and Dual 16-core Neural Engine. Apple pairs it with a custom vapor chamber and a dual-battery architecture, choices intended to sustain performance across a larger chassis and display area.
The AI layer appears across Siri Camera mode, computational photography, cellular quality improvements in the C2 modem system, and interface features that use both screens. The useful question is not how many AI labels are present. It is whether Apple and third-party apps turn the large inner display into faster, lower-friction workflows.
- Siri Camera can answer questions about what the camera sees
- Duo Preview lets subjects see framing on the outer display
- Smart Take helps choose a stronger group image
- Kid Cue uses the outer display to attract a child’s attention for portraits
What this page cannot conclude
- 01This is a launch-day analysis based on Apple’s published specifications and demonstrations. Independent durability, crease visibility, battery, camera, repairability, and sustained-performance testing is not yet available. Local pricing can differ from the US starting price.
Sources
- 01Apple Newsroom: Apple unveils iPhone DuoApple Newsroom: Apple unveils iPhone Duo · accessed Sep 11, 2026
- 02Apple: iPhone DuoApple: iPhone Duo · accessed Sep 11, 2026
- 03Apple: iPhone Duo Technical SpecificationsApple: iPhone Duo Technical Specifications · accessed Sep 11, 2026
- 04Apple India: iPhone DuoApple India: iPhone Duo · accessed Sep 11, 2026
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dotSuper Research Desk. (September 11, 2026). iPhone Duo: Price, Release Date, Foldable Design, and AI Features. dotSuper. https://dotsuper.net/feeds/daily-briefing/2026-09-11-iphone-duo-foldable-price-specs-ai