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iPhone DuoNight Sky
Apple · Released October 1, 2026

iPhone Duo

Apple's first foldable: 7.6-inch inner screen and A20 Pro

iPhones
7.8/10What the pros sayVery goodExpert consensusSee score breakdown ↓
Storage
Finish · Night Sky
Buying call

Wait on the iPhone Duo unless you are committed to iOS and specifically want a 7.6-inch screen that folds into a phone-sized slab. It drops the telephoto, Face ID and ProRAW versus current Pro Max phones, and at 254 g it is heavier than rival folds. Apple has not published a fold-durability rating, so first-generation buyers take real risk. Skip it if you need proven fold durability or better value from a mature foldable.

Full verdict ↓
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Editor testedHands-on testing and real-world use
Real-world useBased on everyday testing, not a spec sheet
Unbiased reviewIndependent and objective, sources shown
iPhone DuoCheck current priceBuy on eBay
Key specs
Modules
48MP Dual Fusion:
Capacity
Dual Li-ion; up to 24 hours typical use
Wired charging
USB-C; up to 50% in ~20 min with 60W+ adapter
Display type
Inner: 7.6-in Super Retina XDR OLED folding · 1878 x 2670 @ 430 ppi · nano-texture
Highlights

Specs that matter

Display
Panel
Super Retina XDR OLED
Resolution
1878×2670
Performance
Processor
Apple A20 Pro
GPU
7-core GPU with Neural Accelerators
Storage
256GB / 512GB / 1TB / 2TB
OS
iOS 27
Body
Weight
9 oz (254 g)
Dimensions
Open 164.6 × 117.8 × 5.2 mm; Closed 84.1 × 117.8 × 11.3 mm
IP rating
IP68
Colors
Night Sky, Star White
At a glance

Product highlights

Verified attributes, grouped for quick scanning.

DisplaySuper Retina XDR OLEDSuper Retina XDR OLED
ChipsetApple A20 Pro7-core GPU with Neural Accelerators
Main camera48 + 48 + 48 MP48 MP · wide
Front camera12 MP12 MP · f/2.2 · wide
RAM / storage256GB / 512GB / 1TB / 2TBiOS 27
Weight9 oz (254 g)Open 164.6 × 117.8 × 5.2 mm; Closed 84.1 × 117.8 × 11.3 mm · IP68
61 attributes · See all specifications
Price & availability

Where to buy

Prices from trusted US retailers, updated daily.

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Available in 256GB, 512GB, 1TB, 2TB.
Buying decision

Should you buy it?

Wait on the iPhone Duo unless you are committed to iOS and specifically want a 7.6-inch screen that folds into a phone-sized slab. It drops the telephoto, Face ID and ProRAW versus current Pro Max phones, and at 254 g it is heavier than rival folds. Apple has not published a fold-durability rating, so first-generation buyers take real risk. Skip it if you need proven fold durability or better value from a mature foldable.

Best for

Early adopters who want an Apple foldable and accept first-gen tradeoffs

Not for

Buyers who need proven fold durability or the best camera kit

Main strength7.6-inch inner display in an Apple software ecosystem
Main weaknessNo telephoto, Face ID or ProRAW versus Pro Max
Reasons to buy
7.6-inch inner display in an Apple software ecosystem
A20 Pro performance for apps and multitasking
Folds down to a phone-sized outer footprint
Reasons to avoid
No telephoto, Face ID or ProRAW versus Pro Max
Heavy at 254 g
No published fold-durability rating from Apple
First-gen software and hinge risks
Measured view7.8/10What the pros say.
Head to head

How it stacks up

Open a comparison for the full side-by-side view.

Choose a gadget
iPhone Duo
This deviceiPhone Duo
VS
iPhone SE (3rd generation)
AlternativeiPhone SE (3rd generation)
Chipset
A20 ProA15 Bionic
Full comparison
iPhone Duo
This deviceiPhone Duo
VS
iPhone 15 Plus
AlternativeiPhone 15 Plus
Chipset
A20 ProA16 Bionic
Full comparison
iPhone Duo
This deviceiPhone Duo
VS
iPhone 15 Pro Max
AlternativeiPhone 15 Pro Max
Chipset
A20 ProA17 Pro
Full comparison
Same category

Alternatives worth a look

Other phones in the database, with their stored scores and prices.

All iphones →
iPhone 17 Pro8.7
AppleiPhone 17 Pro6.3" (160 mm) · A19 Pro · 12 GB
iPhone 15 Pro Max—
AppleiPhone 15 Pro Max6.68" (170 mm) · A17 Pro · 8 GB
iPhone 15 Plus—
AppleiPhone 15 Plus6.71" (170 mm) · A16 Bionic · 6 GB
iPhone SE (3rd generation)—
AppleiPhone SE (3rd generation)4.7" (119 mm) · A15 Bionic
Product data

Full specifications

61 attributes, grouped for quick scanning. Spot a wrong value? Hit the next to it.

Display

Display type
  • Inner: 7.6-in Super Retina XDR OLED folding
  • 1878 x 2670 @ 430 ppi
  • nano-texture
  • Outer: 5.4-in Super Retina XDR OLED
  • 1398 x 2034 @ 460 ppi
  • both ProMotion up to 120Hz
  • Always-On
  • HDR
  • Dynamic Island
Peak brightness
1000 nits typical; 1600 nits HDR; 3000 nits outdoor
Pixel density
430 ppi (inner) / 460 ppi (outer)
HDR
Yes

Performance

CPU
6-core CPU (2 performance + 4 efficiency)

Memory

Card slot
No

Main camera

Modules
  • 48MP Dual Fusion:
  • 48MP Main f/1.6 26mm OIS;
  • 48MP Ultra Wide f/2.2 13mm 120°
Aperture
f/1.6 (main) / f/2.2 (ultra wide)
Stabilization
sensor-shift optical image stabilization
Optical zoom
  • 2× optical-quality in
  • 2× optical out
  • 4× optical-quality range
  • digital up to 10×
Video
Dolby Vision
HDR
Features
25 fps · 30 fps · 60 fps · 100 fps (Fusion Main) · or 120 fps (Fusion Main)
HDR photos
✓
Night mode
✓
Macro
✓

Selfie camera

Modules
Outer 12MP Center Stage f/2.2; Inner under-display FaceTime f/1.8

Sound

Loudspeaker
Stereo speakers
Headphone port
No

Battery & Charging

Capacity
Dual Li-ion; up to 24 hours typical use
Wired charging
USB-C; up to 50% in ~20 min with 60W+ adapter
Wireless charging
✓
MagSafe
✓

Network

Technology
  • 5G (sub-6 GHz) Apple C2 modem
  • Dual eSIM
5G
✓
SIM
Dual eSIM (two active eSIMs; stores eight or more eSIMs)

Connectivity

Wi-Fi
Wi-Fi 7 (802.11be) with 2x2 MIMO
Bluetooth
6
Positioning
Precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, BeiDou, and NavIC)
NFC
✓
USB / ports
USB-C (USB 3 up to 10 Gb/s, DisplayPort)

Sensors & Security

Gyroscope
✓
Accelerometer
✓
Proximity sensor
✓
Ambient light sensor
✓
Barometer
✓
Other sensors
  • Touch ID fingerprint sensor
  • Barometer
  • High dynamic range gyro
  • High-g accelerometer
  • Proximity sensor
  • Four ambient light sensors

Body

Dimensions
6.48 in (16.5 cm)
Build
Titanium foldable design
Form factor
fold
Water & dust resistance
IP68 (6 m up to 30 min)
Colors
  • Night Sky
  • Star White

Launch & Software

Released
October 2026
Operating system
iOS 27
In the box
iPhone Duo, USB-C Charge Cable (1 m)
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