At its September 2026 presentation, Apple turned a new page in its history by announcing the iPhone Duo —its first revolutionary smartphone with a flexible OLED display. The device combines the compactness of a traditional smartphone when closed with the workspace of a mini-tablet when unfolded.
In this review, we’ll take a detailed look at the key specifications, technological innovations, and design features of the long-awaited gadget from Cupertino.
iPhone Duo Technical Specifications
| Parameter | Value |
| External Display | 5.4″ Super Retina XDR OLED (120 Hz ProMotion) |
| Internal display | 7.6″ OLED with nanostructure coating (120 Hz ProMotion) |
| Processor | Apple A20 Pro (2-nanometer process) |
| RAM | 12 GB LPDDR5X |
| Internal storage | 256 GB / 512 GB / 1 TB / 2 TB |
| Cameras | Dual camera system: 48 MP Fusion Main + 48 MP Ultra Wide |
| Biometrics | Touch ID scanner in the side power button |
| Operating System | iOS 27.1 |
| Body Material | Grade 5 titanium (colors: Star White, Night Sky) |
Key technological features of the new model
1. Dual-screen design and the elimination of the “fold”
Thanks to a patented 3D-printed hinge mechanism and new flexible glass layers, Apple has managed to virtually eliminate the visible crease along the fold line.
- When closed: a compact 5.4-inch screen, convenient for one-handed use.
- When unfolded: a large 7.6-inch display with a nano-textured coating that eliminates glare in sunlight.
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Alongside its foldable flagship, Apple has also released its classic lineup. Find out if it makes sense to trade in last year’s device for a new one in our detailed comparison: iPhone 18 vs. iPhone 17: Is it worth upgrading your smartphone in 2026–2027?
2. A20 Pro Performance and Vapor Chamber
To handle dual screens and resource-intensive apps, the smartphone is equipped with the new A20 Prochip (2 nm) and 12 GB of RAM. For the first time in iPhone history, the device features a liquid cooling system with a vapor chamber, which prevents overheating during gaming and multitasking.
3. Multitasking Mode and Apple Pencil Support
Thanks to iOS 27.1, users can open three apps simultaneously in split-screen mode. In addition, the iPhone Duo became the brand’s first smartphone to support the Apple Pencil (USB-C version), transforming the device into a full-fledged notebook for notes and sketches.
4. Cameras and Duo Preview Mode
Since the device can be folded at any angle, this opens up new possibilities for photography:
- Shooting without a tripod (the phone stands steadily on a surface when partially folded).
- Duo Preview: The subject can see themselves on the external screen while you photograph them with the main 48-megapixel camera.
iPhone Duo Price and Release Date
Due to the use of complex engineering solutions and premium materials (titanium and ceramic), the iPhone Duo has become the most expensive Apple smartphone in the lineup:
- Pre-orders: starting October 16, 2026.
- Official launch: October 23, 2026.
Starting prices:
- iPhone Duo (256 GB): starting at $1,999
- iPhone Duo (512 GB): starting at $2,199
- iPhone Duo (1 TB): starting at $2,599
- iPhone Duo (2 TB): starting at $3,199
Final Verdict
TheiPhone Duo isn’t just another smartphone—it’s a demonstration of how Apple envisions the future of mobile devices. It’s perfect for business users, content creators, and anyone looking for maximum productivity in a pocket-sized format.
What do you think of the foldable iPhone concept? Are you ready to switch to this type of device? Share your thoughts in the comments!
