iPhone Duo key specs
Inner Display: 7.6-inch Super Retina XDR folding display with nano-texture
Outer Display: 5.4-inch Super Retina XDR outer display
Rear camera: 48MP Fusion Main, 48MP Fusion Ultra Wide
Battery: Up to 44 hours when using the outer display, Up to 31 hours when using the inner display
Storage: 256GB, 512GB, 1TB, 2TB
Colour options
Explore the whole iPhone 18 range
More about iPhone Duo
Display
Largest display. In a thin, foldable design. The largest iPhone display ever with nano‑texture inner display to reduce glare. 50% larger display than iPhone 18 Pro Max.
Performance
Vapour cooled. Pro performance. A20 Pro chip is purpose‑built for AI workloads. Up to 50% faster 6‑core CPU and up to 2.1x faster 7‑core GPU compared to iPhone 15 Pro.
Camera
48MP Fusion Main and Ultra Wide cameras, and all-new ways to shoot, like Smart Take, which captures pictures automatically. Now with the first under-display FaceTime camera and 12MP Centre Stage front camera.
Durability
Beautiful and durable. iPhone Duo is designed with Grade 5 titanium frame and hinge cover, and Ceramic Shield 2 front and Ceramic Shield back.
Compare iPhone models
Not sure which iPhone to choose? Check out the key specs below and find the right phone for you.
Phones to view
iPhone Duo
Inner Display: 7.6-inch Super Retina XDR folding display with nano-texture
Outer Display: 5.4-inch Super Retina XDR outer display
Rear camera: 48MP Fusion Main, 48MP Fusion Ultra Wide
Battery: Up to 44 hours when using the outer display, Up to 31 hours when using the inner display
Storage: 256GB, 512GB, 1TB, 2TB
iPhone 18 Pro
Display: 6.3-inch Super Retina XDR
Rear camera: 48MP Fusion Main with variable apeture, 48MP Fusion Ultra Wide
Battery: 34 hours video playback
Storage: 256GB, 512GB, 1TB, 2TB
iPhone 18 Pro Max
Display: 6.9-inch Super Retina XDR
Rear camera: 48MP Fusion Main with variable apeture, 48MP Fusion Ultra Wide
Battery: 43 hours video playback
Storage: 256GB, 512GB, 1TB, 2TB
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Pay for things like apps, in-app purchases, games and , music with 3Pay, a quick, secure way to pay through your Three bill.
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Get 3 months Apple TV+ free when you buy your iPhone. Watch on the Apple TV app.
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