iPhone Duo vs iPhone 18 Pro: Features, Price in India, Release Date, Strengths and Limitations

Quick Answer

Apple officially introduced the iPhone Duo and iPhone 18 Pro family on 9 September 2026. The iPhone Duo is Apple’s first foldable iPhone, combining a compact 5.4-inch outer screen with a large 7.6-inch folding inner display. The iPhone 18 Pro and iPhone 18 Pro Max are conventional flagship smartphones with 6.3-inch and 6.9-inch displays, respectively.

In India, the iPhone 18 Pro starts at ₹1,64,900, while the iPhone 18 Pro Max starts at ₹1,79,900. Pre-orders begin on 12 September 2026, followed by availability from 18 September. The iPhone Duo starts at ₹2,99,900, with pre-orders beginning on 16 October and availability from 23 October 2026. These dates and prices are confirmed by the official Apple India Store and iPhone Duo ordering page.

The iPhone Duo has strong potential because it brings Apple’s hardware, software, applications and ecosystem to the foldable category. However, its very high price, 254-gram weight, foldable-screen durability considerations and first-generation design may restrict it to premium buyers and early adopters. Since sales have not started at the time of writing, it cannot yet be described as commercially successful.

iPhone Duo and iPhone 18 Pro at a Glance

Feature	iPhone Duo	iPhone 18 Pro	iPhone 18 Pro Max
Product type	Book-style foldable iPhone	Conventional Pro flagship	Larger conventional Pro flagship
Main display	7.6-inch folding OLED	6.3-inch OLED	6.9-inch OLED
Secondary display	5.4-inch outer OLED	None	None
Refresh rate	Adaptive up to 120Hz	Adaptive up to 120Hz	Adaptive up to 120Hz
Processor	A20 Pro	A20 Pro	A20 Pro
Rear cameras	Two 48MP cameras	Three 48MP cameras	Three 48MP cameras
Maximum optical-quality zoom	2x	8x	8x
Authentication	Side-button Touch ID	Face ID	Face ID
Construction	Grade 5 titanium frame and hinge cover	Aluminium unibody	Aluminium unibody
Weight	254 grams	211 grams	249 grams
Storage	256GB–2TB	256GB–2TB	256GB–2TB
India starting price	₹2,99,900	₹1,64,900	₹1,79,900
India availability	23 October 2026	18 September 2026	18 September 2026

What Are the iPhone Duo and iPhone 18 Pro?

The iPhone Duo is Apple’s first commercially released foldable smartphone. It folds like a book and provides two ways to use the device:

• A 5.4-inch external screen for normal phone activities
• A 7.6-inch internal screen for entertainment, reading, multitasking, video calls and creative applications

The iPhone 18 Pro and iPhone 18 Pro Max retain the familiar single-screen smartphone design. Their main advantages are the more advanced three-camera system, Face ID, lower price, lighter construction and fewer concerns associated with a flexible screen and mechanical hinge.

Apple positions the Duo as a new kind of versatile iPhone, while the 18 Pro models remain its primary professional devices for photography, filmmaking, gaming and intensive mobile work.

Origin: Which Country Does the iPhone Belong To?

The iPhone belongs to Apple Inc., an American technology company headquartered in Cupertino, California, United States.

The original iPhone project was developed by Apple teams under the leadership of Steve Jobs and was introduced in 2007. The iPhone Duo and iPhone 18 Pro are modern Apple products created by large teams of hardware engineers, industrial designers, chip designers, camera specialists, software developers and supply-chain partners.

Therefore, it would be inaccurate to credit either device to a single inventor. They were developed by Apple as an organisation. Components and final assembly may come from several countries, so the location where an individual unit is assembled should not be confused with the country of origin of the Apple brand and product design.

The Idea and Product Story Behind the iPhone Duo

Smartphones provide portability, while tablets provide more screen space. Foldable phones attempt to combine both benefits in one device.

The iPhone Duo’s central idea is that users should not have to choose between a pocketable phone and a larger mobile display. When closed, it works as a relatively compact iPhone. When opened, it becomes a small tablet-like device.

Its product story focuses on four areas:

One Device with Two Working Sizes

The outer display handles calls, messages, navigation, payments and quick applications. Opening the phone provides significantly more space for reading, gaming, watching videos and working with two applications.

Multitasking

The large internal screen supports side-by-side applications. For example, a user can browse Photos on one side and drag an image into Mail on the other. This is one of the Duo’s most practical differences from a traditional iPhone.

Flexible Viewing Positions

The hinge allows the Duo to remain partially folded. It can be positioned for hands-free FaceTime calls, video recording, workouts, films or StandBy mode without requiring a separate phone stand.

Hardware and Software Designed Together

Apple has adapted iOS 27 for different screen sizes, orientations and folding positions. This hardware-software integration may become one of the Duo’s biggest competitive strengths.

Unlike a film or video game, the iPhone Duo has no fictional plot. Its “storytelling” refers to Apple’s product narrative: transforming an ordinary iPhone into a flexible phone, entertainment screen and multitasking device.

iPhone Duo Design and Build Quality

The iPhone Duo uses a Grade 5 titanium frame and titanium hinge cover. It has Ceramic Shield 2 on the front, Ceramic Shield on the back and a scratch-resistant coating on the internal display.

Apple rates the device IP68 for dust and water resistance, tested at a maximum depth of six metres for up to 30 minutes under controlled laboratory conditions. Water resistance is not permanent and may decrease through normal wear.

The Duo is available in two colours:

• Night Sky
• Star White

Dimensions and Weight

When open, the iPhone Duo measures:

• Width: 164.6 mm
• Height: 117.8 mm
• Thickness: 5.2 mm

When closed, it measures:

• Width: 84.1 mm
• Height: 117.8 mm
• Thickness: 11.3 mm

Its weight is 254 grams. It is impressively thin when open, but heavier than the iPhone 18 Pro and even slightly heavier than the 18 Pro Max. These measurements are listed in Apple’s official iPhone Duo technical specifications.

iPhone Duo Screen Size and Display Quality

The Duo contains two Super Retina XDR OLED displays.

Inner Folding Display

• Size: 7.6 inches or 19.26 cm
• Resolution: 1878 × 2670 pixels
• Density: 430 pixels per inch
• Adaptive ProMotion refresh rate up to 120Hz
• Nano-texture finish for reduced glare
• Wide-angle OLED technology
• Under-display FaceTime camera

Outer Display

• Size: 5.4 inches or 13.62 cm
• Resolution: 1398 × 2034 pixels
• Density: 460 pixels per inch
• Adaptive ProMotion refresh rate up to 120Hz

Both displays support HDR, True Tone, Wide Colour P3, Always-On functionality and a typical 20,00,000:1 contrast ratio. Apple specifies 1,000 nits typical brightness, 1,600 nits peak HDR brightness and up to 3,000 nits outdoor peak brightness.

The internal screen is approximately 50% larger than the iPhone 18 Pro Max display. It is designed to provide more comfortable multitasking and media consumption.

The flexible internal screen, however, is structurally different from conventional smartphone glass. Even with improved coatings, users should handle it carefully and prevent sand, dirt or hard objects from becoming trapped between the two halves.

iPhone 18 Pro and Pro Max Design

The iPhone 18 Pro family uses an aluminium unibody with Ceramic Shield 2 on the front and Ceramic Shield on the back.

The available colours are:

• Black
• Silver
• Glacier
• Burgundy

The iPhone 18 Pro weighs 211 grams, while the Pro Max weighs 249 grams. Both are 8.75 mm thick.

The 18 Pro is the more convenient option for users who want a smaller premium phone. The Pro Max provides a larger screen and longer battery life but is substantially heavier.

iPhone 18 Pro Screen Quality

iPhone 18 Pro

• 6.3-inch Super Retina XDR OLED display
• 2622 × 1206 resolution
• 460 pixels per inch

iPhone 18 Pro Max

• 6.9-inch Super Retina XDR OLED display
• 2868 × 1320 resolution
• 460 pixels per inch

Both screens support:

• ProMotion adaptive refresh rate up to 120Hz
• Always-On display
• HDR
• True Tone
• Wide Colour P3
• 20,00,000:1 typical contrast ratio
• 1,600-nit peak HDR brightness
• 3,000-nit peak outdoor brightness
• Anti-reflective coating
• Dynamic Island

These specifications indicate excellent sharpness, colour reproduction, motion smoothness and outdoor visibility. The Pro phones do not provide the Duo’s tablet-like screen area, but their rigid displays should be easier to protect and more familiar for everyday use. Full measurements are available on Apple’s iPhone 18 Pro specifications page.

A20 Pro Performance

The iPhone Duo, iPhone 18 Pro and iPhone 18 Pro Max use the A20 Pro chip, containing:

• Six-core CPU
• Seven-core GPU
• Neural Accelerators
• Dual 16-core Neural Engine
• Hardware-accelerated ray tracing

Apple combines the processor with vapour-chamber cooling to improve sustained performance during gaming, video processing and on-device artificial-intelligence workloads.

All three phones should deliver flagship-class performance. However, actual speed, heat generation and battery endurance can vary according to applications, network conditions, ambient temperature, display brightness and whether the Duo’s inner or outer screen is being used.

iOS 27, Apple Intelligence and Siri AI

The devices ship with iOS 27 and support Apple Intelligence and Siri AI.

Apple describes Siri AI as a more conversational assistant capable of understanding natural follow-up questions, using personal context and performing actions within supported applications. Apple Intelligence also provides writing assistance, visual tools, photo editing and other on-device or privacy-protected AI functions.

Feature availability can vary by language, region, account and software version. Apple says Siri AI is initially rolling out in English, so buyers should check whether every advertised AI function is available in their preferred language and country before purchasing.

The Duo receives additional foldable-specific software features, including:

• Split View multitasking
• Drag-and-drop between supported applications
• Flexible viewing layouts
• Hands-free FaceTime positions
• Transitions between inner and outer displays
• Interfaces adapted to partially folded positions

iPhone Duo Camera System

The Duo has a 48MP Dual Fusion rear-camera system:

48MP Fusion Main Camera

• 26 mm focal length
• ƒ/1.6 aperture
• Sensor-shift optical image stabilisation
• 24MP and 48MP high-resolution photos
• 2x optical-quality telephoto capability

48MP Fusion Ultra Wide Camera

• 13 mm focal length
• ƒ/2.2 aperture
• 120-degree field of view
• Macro photography

The Duo provides 0.5x, 1x and 2x shooting options, digital zoom up to 10x for photos and digital zoom up to 6x for video.

It can record Dolby Vision video up to 4K at 120 frames per second through the supported main camera. Other features include Cinematic mode, Action mode, Dual Capture, Smart Focus Tracking, Night mode, Smart HDR 5 and Photographic Styles 3.

Foldable-Specific Camera Features

• Duo Preview: Lets the photographed person see a live preview on the outer display.
• Smart Take: Uses the Duo’s flexible positioning to assist with hands-free photography.
• Kid Cue: Displays visual prompts intended to attract a child’s attention.
• Dual Capture: Records with front and rear cameras simultaneously.
• Under-display FaceTime camera: Provides an uninterrupted inner viewing surface when the camera is not in use.

The Duo has a 12MP Center Stage outer front camera and an additional under-display FaceTime camera on the inside.

iPhone 18 Pro Camera System

The iPhone 18 Pro and Pro Max have a more advanced 48MP Pro Fusion triple-camera system.

48MP Fusion Main

The main camera introduces variable aperture options:

• ƒ/1.48
• ƒ/1.8
• ƒ/2.8
• ƒ/4.0

A wider aperture can capture more light, while a narrower aperture can provide greater depth of field. Pro Controls allow experienced photographers to adjust aperture, shutter speed, white balance and histogram viewing.

48MP Fusion Ultra Wide

The Ultra Wide camera provides a 13 mm focal length, 120-degree field of view and macro-photography support.

48MP Fusion Telephoto

The telephoto camera provides:

• Native 4x telephoto at 100 mm
• 8x optical-quality telephoto at 200 mm
• Up to 40x digital zoom
• 3D sensor-shift optical stabilisation
• Tetraprism design

The Pro models also support ProRAW, ProRes RAW, Apple Log 2, genlock, external 4K 120fps ProRes recording and Apple Reference Image.

For professional photography, long-distance zoom and advanced video production, the iPhone 18 Pro is considerably more capable than the iPhone Duo.

Apple Reference Image

Apple Reference Image is designed to provide verifiable information about what the camera sensor captured. Apple says supported photos receive secure pixel-level signing at the time of capture, helping users identify subsequent modifications.

This could be useful for journalism, insurance inspections, evidence documentation and other situations where image authenticity matters. However, availability may vary by region, software version and supported application.

Battery Life and Charging

iPhone Duo

Apple specifies:

• Up to 24 hours of typical use
• Up to 44 hours of video playback using the outer screen
• Up to 31 hours using the inner screen
• Up to 50% wired charging in approximately 20 minutes with a compatible 60W-or-higher adapter
• MagSafe and Qi2 wireless charging up to 25W

The Duo uses two integrated lithium-ion batteries distributed across its two halves.

iPhone 18 Pro

• Up to 23 hours of typical use
• Up to 34 hours of video playback
• Up to 31 hours of streamed video playback

iPhone 18 Pro Max

• Up to 29 hours of typical use
• Up to 43 hours of video playback
• Up to 38 hours of streamed video playback

The Pro models can reach approximately 50% charge in 15 minutes with a compatible 60W-or-higher wired adapter. They also support MagSafe and Qi2 wireless charging up to 25W.

These figures are Apple-controlled test results. Real-world battery life will depend on signal strength, brightness, applications, camera use, gaming, background activity and battery condition.

Connectivity and Ports

The three models include:

• 5G
• Gigabit LTE
• Wi-Fi 7
• Bluetooth 6
• NFC
• Thread
• Second-generation Ultra Wideband
• Dual-frequency GPS, including NavIC
• Apple C2 cellular modem
• USB-C
• DisplayPort video output
• USB 3 data transfer up to 10Gbps
• MagSafe
• Qi2 wireless charging

The India versions of the iPhone 18 Pro support nano-SIM and eSIM. The iPhone Duo is eSIM-only worldwide and does not accept a physical SIM card. Buyers should verify that their mobile operator supports eSIM activation before purchasing the Duo.

Face ID or Touch ID?

The iPhone 18 Pro and Pro Max use Face ID.

The iPhone Duo uses Touch ID integrated into the side button. Apple selected this arrangement so fingerprint authentication remains accessible whether the device is open, closed or positioned at an angle.

This is an important difference for existing iPhone users accustomed to Face ID.

Apple Pencil Support

The iPhone Duo supports Apple Pencil (USB-C), although Apple states that support is coming later in 2026. It should not be assumed that every Apple Pencil model is compatible.

The Apple Pencil is sold separately. It may make the Duo more useful for handwritten notes, document annotation, sketching and precise interface control.

The iPhone 18 Pro and Pro Max do not offer Apple Pencil support.

Storage Options

All three models are available with:

• 256GB
• 512GB
• 1TB
• 2TB

There is no microSD memory-card slot. Buyers should select storage based on expected photography, 4K video, gaming and offline-media requirements.

India Prices and Availability

iPhone 18 Pro

• Starting price: ₹1,64,900
• Pre-orders: 12 September 2026 at 5:30 PM IST
• Availability: 18 September 2026

iPhone 18 Pro Max

• Starting price: ₹1,79,900
• Pre-orders: 12 September 2026 at 5:30 PM IST
• Availability: 18 September 2026

iPhone Duo

• 256GB: ₹2,99,900
• 512GB: ₹3,24,900
• 1TB: ₹3,74,900
• 2TB: ₹4,49,900
• Pre-orders: 16 October 2026 at 5:30 PM IST
• Availability: 23 October 2026

Prices, financing promotions and delivery estimates can change. Buyers should verify the final amount with Apple or an authorised seller.

What Devices or Accessories Are Required?

These are standalone smartphones and do not require a gaming console, computer or separate display for ordinary use.

Some functions require:

• A supported mobile plan and compatible 5G or 4G network
• An Apple Account for services such as iCloud and the App Store
• Internet access for cloud services and some AI features
• A compatible USB-C power adapter, which is sold separately
• An eSIM-supported mobile operator for iPhone Duo
• Apple Pencil (USB-C) for handwriting or drawing on the Duo
• A Mac or Windows PC only when local computer syncing is required

The box includes the iPhone and a one-metre USB-C charging cable. A power adapter is not included.

Why the iPhone Duo Could Succeed

The Duo has meaningful advantages that could help Apple expand the foldable-phone category.

Apple Ecosystem Integration

Millions of users already rely on iCloud, AirDrop, iMessage, FaceTime, Apple Watch, AirPods and Mac. A foldable device that works smoothly within this ecosystem may appeal to users who previously avoided Android foldables.

Large Display Without Carrying a Tablet

The 7.6-inch inner screen provides substantially more workspace than a conventional phone while remaining pocketable when folded.

Practical Foldable Software

Split View, flexible positioning, drag-and-drop and dual-display camera features give the folding design practical purposes beyond visual novelty.

Premium Performance

The A20 Pro, vapour-chamber cooling and high storage capacities make the Duo suitable for gaming, entertainment, productivity and AI applications.

Strong Brand and Developer Support

Apple’s brand strength and developer ecosystem could encourage application makers to optimise their interfaces for the Duo.

Market Attention

The Duo represents Apple’s biggest iPhone form-factor change in years. That alone is likely to attract early adopters and premium buyers. Analysts cited by Reuters expect Apple’s entry to expand interest in foldable devices.

Why Success Is Not Guaranteed

The Duo has been announced but is not yet available for sale at the time of writing. It is therefore too early to call it successful.

Several obstacles could limit adoption:

Extremely High Price

At ₹2,99,900 to ₹4,49,900, the Duo costs considerably more than many premium laptops, tablets and conventional flagship phones.

First-Generation Risk

The Duo is Apple’s first foldable iPhone. Long-term hinge reliability, display ageing, repairability and real-world durability will only become clear after sustained consumer use.

Heavy and Thick When Closed

At 254 grams and 11.3 mm when folded, it is heavier and thicker than many conventional smartphones.

More Delicate Inner Display

Flexible displays generally require more careful handling than rigid glass screens. Apple provides protective layers and coatings, but they cannot eliminate every risk.

Limited Camera Zoom

The Duo has excellent main and Ultra Wide cameras, but it lacks the dedicated 48MP telephoto camera and 8x optical-quality zoom of the iPhone 18 Pro.

No Face ID

Some users may consider the replacement of Face ID with side-mounted Touch ID a disadvantage.

eSIM-Only Design

Lack of a physical SIM slot could cause problems for users travelling to areas where eSIM support is limited.

Foldables Remain a Premium Niche

Foldable phones still represent a relatively small part of worldwide smartphone sales. Apple may expand the category, but the Duo’s price makes immediate mass adoption unlikely. This uncertainty has also been noted in launch coverage from Associated Press.

Main Strengths of the iPhone Duo

• Apple’s first foldable iPhone
• Large 7.6-inch inner display
• Useful 5.4-inch outer display
• Bright 120Hz OLED screens
• Split-screen multitasking
• Hands-free viewing and video calls
• A20 Pro performance
• Titanium frame and hinge cover
• IP68 rating
• Two capable 48MP rear cameras
• Foldable-specific photography features
• Up to 2TB storage
• Apple Pencil support
• Wi-Fi 7, Bluetooth 6 and 5G
• USB 3 and external-display support

Main Disadvantages of the iPhone Duo

• Exceptionally high price
• Heavy at 254 grams
• Thick when folded
• First-generation foldable hardware
• No dedicated telephoto camera
• Limited to 2x optical-quality zoom
• No Face ID
• eSIM only
• Flexible internal display requires careful treatment
• Apple Pencil and charger sold separately
• Some Siri AI capabilities may not initially support every language
• Long-term repair costs and hinge durability remain to be established

Main Strengths of the iPhone 18 Pro

• More affordable than the Duo
• Familiar and practical conventional design
• Advanced triple 48MP camera system
• Variable main-camera aperture
• 8x optical-quality telephoto
• ProRAW and advanced ProRes capabilities
• A20 Pro chip
• Fast wired charging
• Excellent OLED display
• Face ID
• Physical nano-SIM plus eSIM support in India
• Lighter than the Duo
• Up to 2TB storage

Main Disadvantages of the iPhone 18 Pro

• Still very expensive
• No foldable tablet-style screen
• No split-screen experience comparable to the Duo
• No Apple Pencil support
• Charger sold separately
• Aluminium may feel less premium to some buyers than titanium
• The Pro Max is heavy at 249 grams
• Maximum battery claims depend on controlled test conditions
• Some new AI features may have regional or language restrictions

iPhone Duo or iPhone 18 Pro: Which Should You Buy?

Choose the iPhone Duo if you specifically want:

• Apple’s first foldable phone
• A large screen that fits into a smaller folded form
• Side-by-side applications
• Hands-free viewing positions
• Apple Pencil support
• A distinctive, experimental premium device
• A phone that can partly replace a small tablet

Choose the iPhone 18 Pro if you want:

• A smaller and lighter flagship
• Professional photography and video controls
• Dedicated telephoto photography
• Face ID
• Better value than the Duo
• A more familiar design without a folding screen

Choose the iPhone 18 Pro Max if you want:

• The largest conventional iPhone screen
• The best battery life in the Pro family
• The same professional camera system as the 18 Pro
• A large display without moving to foldable hardware

For most buyers, the iPhone 18 Pro or Pro Max is the more practical purchase. The Duo is better suited to enthusiasts, professionals who can use its larger workspace, Apple collectors and early adopters willing to pay a considerable premium.

Frequently Asked Questions

1. Is the iPhone Duo officially announced?

Yes. Apple officially introduced the iPhone Duo on 9 September 2026 as its first foldable iPhone.

2. Is the iPhone Duo the same as the iPhone 18 Pro?

No. The Duo is a foldable model with two displays. The iPhone 18 Pro is a conventional flagship with a more advanced triple-camera system.

3. When will the iPhone 18 Pro be available in India?

Apple says it will be available from 18 September 2026, with pre-orders beginning on 12 September.

4. When will the iPhone Duo be available in India?

Pre-orders begin on 16 October 2026, and general availability starts on 23 October.

5. What is the iPhone Duo price in India?

It starts at ₹2,99,900 for 256GB and reaches ₹4,49,900 for the 2TB model.

6. What is the iPhone 18 Pro price in India?

The iPhone 18 Pro starts at ₹1,64,900. The Pro Max starts at ₹1,79,900.

7. How large is the iPhone Duo display?

It has a 7.6-inch folding inner display and a 5.4-inch outer display.

8. Does the iPhone Duo have a visible screen crease?

Apple says its layered display design and nano-texture surface minimise the crease and reflections. Independent long-term testing will be needed to evaluate how it changes with extended use.

9. Does the iPhone Duo support Apple Pencil?

Yes. It supports Apple Pencil (USB-C), with compatibility scheduled to arrive later in 2026.

10. Does the iPhone Duo have Face ID?

No. It uses Touch ID built into the side button.

11. Does the iPhone Duo accept a physical SIM?

No. It is an eSIM-only device.

12. Is the iPhone Duo waterproof?

It carries an IP68 water- and dust-resistance rating, but it should not be treated as completely waterproof. Liquid damage may not be covered under the standard warranty.

13. Which phone has the better camera?

The iPhone 18 Pro has the more versatile camera system because it adds a dedicated 48MP telephoto camera, variable aperture, 8x optical-quality zoom and professional recording formats.

14. Which phone has the bigger screen?

When unfolded, the iPhone Duo has the biggest screen at 7.6 inches. The iPhone 18 Pro Max has a 6.9-inch display.

15. Which phone is better for gaming?

All three use the A20 Pro processor. The Duo provides a larger display, while the Pro models offer simpler handling and no folding-screen concerns. The best choice depends on the game and preferred form factor.

16. Which phone has better battery life?

Apple rates the 18 Pro Max for up to 43 hours of video playback. The Duo can reach up to 44 hours using its outer display but up to 31 hours using its larger inner display.

17. Does the iPhone Duo replace an iPad?

It can reduce the need for a small tablet for entertainment, reading and light multitasking, but it does not provide the same screen size or complete application experience as every iPad.

18. Has the iPhone Duo already become successful?

No reliable sales conclusion can be made before the device begins shipping. Interest is high, but long-term success will depend on demand, durability, application support, repair costs and customer satisfaction.

Final Recommendation

The iPhone Duo is Apple’s boldest smartphone design change in years. Its large folding display, compact outer screen, A20 Pro performance, flexible positioning and iOS 27 multitasking give it a clearer purpose than merely being a fashionable folding device.

However, the Duo should not yet be called a proven success. Its exceptionally high price, first-generation hardware, heavy construction, eSIM-only design and less capable zoom camera will limit its suitability for many buyers.

The iPhone 18 Pro is the stronger all-round choice for most premium users, especially photographers, video creators and people who prefer a conventional phone. The Pro Max is preferable when battery endurance and screen size are priorities.

The Duo is best viewed as an ambitious premium device for people who genuinely value its folding screen and multitasking possibilities—not as an automatic replacement for every existing iPhone.

Information checked on 10 September 2026. Prices, offers, availability and software features may change after publication.

 

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