Apple's First Foldable iPhone Introduced: Everything About iPhone Duo

Apple has finally introduced its first foldable iPhone, the iPhone Duo. The new model represents one of the biggest design changes in the iPhone lineup since the original iPhone launched in 2007.

Display: 5.4 Inches Outside, 7.6 Inches Inside

The iPhone Duo features a 5.4-inch external display when folded and a large 7.6-inch internal display when opened. Apple designed both screens with the same aspect ratio to provide a consistent experience between folded and unfolded modes.

The internal display also features a nano-texture finish designed to reduce reflections and provide a clearer viewing experience in different lighting conditions.

Thin and Refined Foldable Design

One of the most notable aspects of the iPhone Duo is its thin design. Apple describes it as the thinnest iPhone ever when fully opened.

The device uses a precision-engineered hinge designed to provide smooth folding and unfolding while maintaining durability. This allows the phone to be used in different positions without always having to hold it in your hands.

A20 Pro Chip and Advanced Thermal Management

The iPhone Duo is powered by Apple's A20 Pro chip, bringing high-end performance to the company's first foldable iPhone.

Apple has also developed a custom thermal management system featuring a vapor chamber. Combined with the device's dual-battery architecture, the system is designed to help maintain performance during demanding workloads.

Camera Experience

The foldable design also creates new possibilities for photography and video recording. Users can position the iPhone Duo at different angles, making it easier to take photos or record videos without holding the phone continuously.

The larger display can also provide a more comfortable preview area when capturing content.

iOS 27 Optimized for the Foldable Experience

Apple has redesigned iOS 27 to take better advantage of the iPhone Duo's larger internal screen.

The operating system provides a larger workspace and improved multitasking capabilities while allowing applications to adapt to the different screen sizes.

This makes the iPhone Duo more suitable for users who want to work with multiple applications or take advantage of a tablet-like display without carrying a separate device.

Apple Pencil Support

The iPhone Duo also supports Apple Pencil, adding another layer of functionality to the larger internal display.

This feature can be particularly useful for taking notes, making quick sketches, editing documents and interacting with applications that benefit from stylus input.

iPhone Duo Price and Release Date

The iPhone Duo starts at $1,999 in the United States.

In Türkiye, the starting price is listed at 229,999 TL.

Pre-orders will begin on October 16, 2026, while the device will officially go on sale on October 23, 2026.

Is the iPhone Duo Worth It?

The iPhone Duo is clearly positioned as a premium device. Its large 7.6-inch internal display, A20 Pro processor, foldable design, iOS 27 optimizations and Apple Pencil support make it one of the most feature-rich iPhones ever introduced.

However, its high price means it will not be aimed at every iPhone user. For people who want a larger workspace, multitasking capabilities and a completely different smartphone experience, the foldable design could make the premium worthwhile.

With the iPhone Duo, Apple has officially entered the foldable smartphone market. The company's approach focuses on combining the familiar iPhone experience with a significantly larger internal display and a new form factor.

Whether the iPhone Duo becomes a mainstream success will depend largely on how consumers respond to its premium price and whether Apple's foldable design can offer enough advantages over conventional iPhones.