Apple iPhone Duo Specs: Everything You Need to Know About Apple's Foldable iPhone

The Apple iPhone Duo is expected to be Apple's first foldable iPhone, bringing a large foldable OLED display to the iPhone lineup. Previously rumored under names such as Apple iPhone Fold and Apple iPhone Ultra, the device is listed with an expected release date of October 23, 2026.

The iPhone Duo combines a foldable design with Apple's A20 Pro chipset, a 120Hz OLED display, a dual-camera system and up to 2TB of internal storage.

Apple iPhone Duo Specifications at a Glance

The specifications above are based on the supplied GSMArena data. GSMArena also notes that it cannot guarantee that all information on the page is 100% correct.

Apple iPhone Duo Display

The main attraction of the iPhone Duo is its foldable display.

The device is listed with a 7.6-inch LTPO Super Retina XDR OLED display featuring a 120Hz refresh rate, HDR10 and Dolby Vision support. It has a resolution of 1878 × 2670 pixels, with an approximate pixel density of 430 ppi.

The display is also listed with brightness levels reaching 3,000 nits peak, along with an anti-reflective coating and Nano Texture finish.

When folded, the phone has a 5.4-inch cover display with a 1398 × 2034-pixel resolution and approximately 460 ppi density.

Foldable Design and Build

The iPhone Duo measures:

• 117.8 × 164.6 × 5.2 mm unfolded
• 117.8 × 84.1 × 11.3 mm folded
• 254 grams

Its listed construction includes a glass front with Ceramic Shield 2, a titanium frame and hinge, and a glass back with Ceramic Shield.

The phone is also listed with IP68 dust and water resistance, with immersion resistance specified up to 6 metres for 30 minutes.

Apple A20 Pro and 12GB RAM

The Apple iPhone Duo is listed with Apple's A20 Pro chipset, manufactured using a 2nm process.

The processor is specified as a hexa-core CPU, paired with a 7-core Apple GPU. The device is listed with 12GB RAM across all storage configurations.

Storage Options

The iPhone Duo is listed in four storage configurations:

• 256GB
• 512GB
• 1TB
• 2TB

There is no microSD card slot.

For users who store large video files, photographs and other media locally, the 1TB and 2TB versions provide substantially more internal storage.

Apple iPhone Duo Camera Specifications

The iPhone Duo is listed with a dual rear-camera system.

The primary camera is a 48MP wide camera with an f/1.6 aperture, PDAF and sensor-shift optical image stabilisation. It is paired with a 48MP ultrawide camera offering a 120-degree field of view.

Video Recording

The rear cameras are listed as supporting:

• 4K at 24/25/30/60/100/120fps
• 1080p at 25/30/60/120/240fps
• 10-bit HDR
• Dolby Vision HDR up to 120fps
• ProRes
• Spatial video and audio
• Stereo sound recording

The under-display selfie camera is listed as supporting 1080p video at 30/60fps, while the cover camera is a 12MP wide camera with autofocus and support for 4K video.

Connectivity

The iPhone Duo is listed with extensive connectivity options, including Wi-Fi 7, Bluetooth 6.0, NFC and USB Type-C 3.2 Gen 2 with DisplayPort support.

Its positioning systems include GPS, GLONASS, Galileo, BDS, QZSS and NavIC.

The device is also listed with 5G connectivity through its GSM, HSPA, LTE and 5G network support.

Battery and Charging

The Apple iPhone Duo is listed with a Li-Ion battery.

For wired charging, the specifications state support for PD3.2 and AVS, with the phone capable of reaching 50% charge in approximately 20 minutes.

Wireless charging is listed at 25W using MagSafe/Qi2, with 50% charging in approximately 30 minutes.

iOS 27

The iPhone Duo is listed with iOS 27.

As a foldable device, the larger internal screen could provide additional space for multitasking, media consumption and other applications, although the supplied specifications do not provide detailed information about specific foldable software features.

Apple iPhone Duo Price

The supplied specification page lists the Apple iPhone Duo at about €2,300.

The actual retail price can vary by market, storage configuration, taxes and regional pricing.

Apple iPhone Duo Release Date

The Apple iPhone Duo was listed as announced on September 9, 2026, with an expected release date of October 23, 2026. Its status is currently shown as "Coming soon" in the supplied source.

Apple iPhone Duo: Key Specifications

The Apple iPhone Duo brings together several notable specifications:

• 7.6-inch 120Hz foldable OLED display
• 5.4-inch cover display
• Apple A20 Pro 2nm chipset
• 12GB RAM
• Up to 2TB storage
• Dual 48MP rear cameras
• 4K video recording up to 120fps
• Wi-Fi 7 and Bluetooth 6.0
• USB-C 3.2 Gen 2
• IP68 protection
• 25W MagSafe/Qi2 wireless charging
• 254g foldable design
• iOS 27

For anyone researching Apple iPhone Duo specs, the display, A20 Pro processor, camera system, storage options and foldable dimensions are the key specifications to examine before comparing the device with other foldable smartphones.