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Key Features
- 7.6" Super Retina XDR Display
- 4MP + 12MP + 48MP Rear Cameras +12MP Front Camera
- A20 Pro chip Processor
- Titanium foldable Design
Key Specifications
- Brand:
- Apple
- Model Number:
- MK2D4X/A
- Screen Size (Inches):
- 7.6
- Peak Brightness (Nits):
- 3000
- Storage Capacity:
- 256GB
- Network:
- 5G
- SIM Card Type:
- Dual SIM (nano-SIM and eSIM) - dual eSIM support
- Battery:
- Typical use up to 24 hours, Video playback up to 44 hours (outer display) / 31 hours (inner display), Video playback (streamed) up to 37 hours (outer display) / 26 hours (inner display)
- Water Resistant:
- Rated IP68 (maximum depth of 6 meters up to 30 minutes) under IEC standard 60529
- Operating System:
- iOS 27
Screen Technology
- Display:
- Super Retina XDR, Dynamic Island, Always-On display, ProMotion technology with adaptive refresh rates up to 120Hz
- Display Resolution (px):
- Inner: 1878 x 2670px @ 430ppi, Outer: 1398 x 2034px @ 460ppi
Screen Features
- Screen Size Range:
- 7 Inches & Above
Cameras
- Rear Camera:
- 48MP Fusion Main: 26mm, f/1.6 & 12MP optical-quality 2x Telephoto: 52 mm, f/1.6 & 48MP Fusion Ultra Wide: 13 mm, f/2.2 aperture and 120 degree field of view, 2 x optical zoom in & optical zoom out - 4x optical zoom range, Digital zoom up to 10x
- Front Camera:
- Outer: 12MP Center Stage f/2.2, Retina Flash, Smart Take. Inner: Under-display FaceTime camera f/1.8
- Video:
- 4K Dolby Vision recording up to 120fps (Fusion Main), Slo?mo video support for 1080p up to 240fps
Audio
- Audio:
- Built in stereo speaker, Spatial Audio playback, User configurable maximum volume limit
Connections
- Cellular Bands:
- 5G (sub-6 GHz and mmWave) with 4x4 MIMO, Gigabit LTE with 4x4 MIMO
- Connections:
- Wi-Fi 7 (802.11be) with 2x2 MIMO, Bluetooth v6, NFC with reader mode, Express Cards with power reserve, USB-C USB 3 (up to 10Gb/s)
- GPS:
- Precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, BeiDou, and NavIC), Digital compass, iBeacon microlocation
Power & Charging
- Charging:
- MagSafe & Qi wireless charging up to 25W, Up to 50% charge in around 20 minutes when using 60W USB-C capable adapter or higher (available separately), Up to 50% charge in 30 minutes with 35W USB-C adapter or higher (available separately)
Options
- Sensor Technology:
- Touch ID fingerprint sensor, Barometer, High dynamic range gyro, High-g accelerometer, Proximity sensor, Four ambient light sensors
General Information
- Type:
- Foldable Phone
- Family:
- iPhone Duo
- Colour:
- White
- Supplier Colour:
- Star White
- Processor:
- A20 Pro chip, 6 core CPU with 2 super cores and 4 efficiency cores, 7 core GPU with Neural Accelerators, Dual 16 core Neural Engine, Hardware accelerated ray tracing
- Release Year:
- 2026
- Additional Features:
- Titanium foldable design, Apple Intelligence and Siri AI, Emergency SOS, Crash Detection, Roadside Assistance, Messages, Find My, Camera control, Apple Pay, FaceTime HD, Hearing Aid Compatible
- What's In The Box:
- iPhone with iOS 27, USB-C Charge Cable (1m)
Warranty
- Manufacturer's Warranty:
- 1 Year
Screen Technology
- Display:
- Super Retina XDR, Dynamic Island, Always-On display, ProMotion technology with adaptive refresh rates up to 120Hz
- Display Resolution (px):
- Inner: 1878 x 2670px @ 430ppi, Outer: 1398 x 2034px @ 460ppi
Cameras
- Rear Camera:
- 48MP Fusion Main: 26mm, f/1.6 & 12MP optical-quality 2x Telephoto: 52 mm, f/1.6 & 48MP Fusion Ultra Wide: 13 mm, f/2.2 aperture and 120 degree field of view, 2 x optical zoom in & optical zoom out - 4x optical zoom range, Digital zoom up to 10x
- Front Camera:
- Outer: 12MP Center Stage f/2.2, Retina Flash, Smart Take. Inner: Under-display FaceTime camera f/1.8
- Video:
- 4K Dolby Vision recording up to 120fps (Fusion Main), Slo?mo video support for 1080p up to 240fps
Connections
- Cellular Bands:
- 5G (sub-6 GHz and mmWave) with 4x4 MIMO, Gigabit LTE with 4x4 MIMO
- Connections:
- Wi-Fi 7 (802.11be) with 2x2 MIMO, Bluetooth v6, NFC with reader mode, Express Cards with power reserve, USB-C USB 3 (up to 10Gb/s)
- GPS:
- Precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, BeiDou, and NavIC), Digital compass, iBeacon microlocation
Options
- Sensor Technology:
- Touch ID fingerprint sensor, Barometer, High dynamic range gyro, High-g accelerometer, Proximity sensor, Four ambient light sensors
Warranty
- Manufacturer's Warranty:
- 1 Year
Product Dimensions
- Product Height (mm):
- 117.8
- Product Width (mm):
- 164.6
- Product Depth (mm):
- 5.2
- Product Weight (g):
- 254
- Folded Phone Height (mm):
- 117.8
- Folded Phone Width (mm):
- 84.1
- Folded Phone Depth (mm):
- 11.3
Box Dimensions
- Box Height (mm):
- 22
- Box Width (mm):
- 138
- Box Depth (mm):
- 140
- Box Weight (kg):
- 0
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Product Reviews of Apple iPhone Duo 256GB Star White

Overall Rating Snapshot
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The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.
At a glance
The iPhone Duo 256GB is Apple’s foldable iPhone, designed for people who want a bigger screen for multitasking, entertainment and flexible everyday use without leaving the iPhone ecosystem. Its strengths are the large inner display, durable titanium build, fast A20 Pro performance and versatile camera system. One limitation is that it uses eSIM only, so it is less suited to buyers who still rely on a physical SIM.
What it’s great for
- Everyday Productivity
- Multitasking
- Mobile Entertainment
- Content Capture
- Premium Smartphone Use
- Travel Connectivity
Where it works best
- Home
- Office
- Commuting
- Travel
- University Campus
- On-the-Go Work
Who it’s for
- Everyday Professional
- Power User
- Frequent Traveller
- Apple Ecosystem User
- Content Creator
- Early Adopter
Things to consider
This model activates with eSIM only and does not support a physical SIM, which may be less convenient for users on carriers or travel setups that still depend on a traditional SIM card.
Everyday user suitability
High - excellent for users who want a premium iPhone that can handle messaging, entertainment, productivity and travel in one device.
Photography performance score
8.8/10 - strong everyday versatility from the 48MP main and ultra wide cameras, with added convenience from Smart Take and flexible shooting angles.
Ecosystem integration rating
9.7/10 - a strong choice for buyers already using Apple services and devices who want seamless iOS-based continuity and setup.
Travel friendliness
Very good - compact when folded, supports eSIM for flexible international connectivity, and includes Emergency SOS via satellite for off-grid situations.
Key benefits
- Foldable Dual Display: The large inner display gives you more room for multitasking, reading, video and split-screen apps while still folding down to a pocket-friendly size.
- Nano-Texture Inner Display: The inner screen is designed to reduce glare, making it more comfortable to use in bright environments.
- Grade 5 Titanium Design: The titanium frame and hinge cover help deliver a premium feel with added durability for everyday carry.
- Ceramic Shield Protection: Ceramic Shield 2 on the front and Ceramic Shield on the back help improve resilience for daily use.
- 48MP Dual Fusion Camera System: The main and ultra wide cameras give you flexible shooting options for everyday photos, landscapes and general content capture.
- Smart Take Camera Tools: Automatic picture capture features can make it easier to get usable shots with less manual timing.
- A20 Pro Chip: Delivers up to 50% faster 6-core CPU performance and up to 2.1x faster 7-core GPU performance than iPhone 15 Pro for demanding apps and AI-focused tasks.
- Longer Video Playback: Offers up to 8 more hours of video playback on the inner display and up to 21 more hours on the outer display compared with iPhone 15 Pro.
Q: Does iPhone Duo use eSIM only in Australia?
A: Yes. iPhone Duo activates with an eSIM and does not support a physical SIM card. That suits carriers that already support eSIM, but buyers moving from an older physical SIM service need to confirm their plan can be transferred first.
Q: How practical is the outer screen for everyday phone use?
A: The outer display measures 5.36 inches diagonally, so it is designed for quick tasks like messages, calls and one-handed checks without opening the phone. The larger 7.58-inch inner screen makes more sense when you want extra room for apps and viewing.
Q: Will Siri AI work straight away on this iPhone?
A: Siri AI is available in beta in iOS 27 on Apple Intelligence-enabled devices set to a supported language. Some features are not available in all regions or languages, and certain server-based tools are subject to daily usage limits.
Q: Can Emergency SOS via satellite work without mobile coverage?
A: Yes. iPhone Duo can use Emergency SOS via satellite when you are off the grid, with satellite features included for two years from activation. Connection and response times vary by location and site conditions, and some satellite features require a carrier plan.
Q: Is 256GB enough for long-term photo and video storage?
A: For many buyers, 256GB is a practical middle ground for apps, photos and everyday video. It can feel tight sooner if you keep large media libraries on the phone or prefer to store most content locally instead of using cloud storage.
Q: What do the two displays actually change in daily use?
A: iPhone Duo gives you a 5.36-inch outer screen for standard phone tasks and a 7.58-inch inner screen when opened for more workspace. The foldable format suits split-screen use, document viewing and longer video sessions better than a single-screen phone.