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About This Mac

The iPhone Duo introduced a folding design to the iPhone in 2026, pairing a 5.4-inch outer display with a 7.6-inch inner OLED screen. Opening it created more space for reading, viewing and working across apps, while A20 Pro and two 48MP rear cameras supplied the processing and main photographic tools. Touch ID moved to the side button rather than using Face ID. Compared with the conventional iPhone 18 Pro Max, the folding screen was the defining advantage, balanced against a thicker closed body and the absence of a dedicated telephoto camera.

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Specification

Overview

Introduced:

09/09/2026

Model Number:

A3447, A3719, A3721, A3720

EMC:

9188 (A3447), 9198 (A3719), 9204 (A3721), 9203 (A3720)

Support Status:

Supported

Colours:

Night Sky, Star White

Weight:

0.254kg

Height:

11.78cm

Width:

8.41cm

Depth:

1.13cm

Apple Technical Specs:

Click Here

Apple Manual:

Click Here

iPhone19,4

Specification:

Apple A20 Pro

Display

Display Size:

7.6-inch

Display Type:

Super Retina XDR folding OLED; nano-texture finish; wide-angle OLEDs

Brightness:

1000cd/m2

Contrast Ratio:

2,000,000:1 (typical)

Colour Gamut:

Wide colour (P3), True Tone

Pixel Density:

430ppi

Refresh Rate:

ProMotion adaptive up to 120Hz; Always-On

Native Resolution:

1878 by 2670

Display Modes:

Up to 4K HDR AirPlay mirroring/photos/video to compatible Apple TV or AirPlay TV; up to 4K HDR native DisplayPort overUSB-C (compatible cable/adapter required)

Connections

WiFi:

802.11be Wi-Fi 7 with 2x2 MIMO

Bluetooth:

Version 6

USB C:

1 - USB 3 up to 10Gb/s; DisplayPort and charging (compatible cable required)

Microphone:

Built-in microphones; exact count unverified

Speakers:

Built-in stereo speakers

Sensors:

Touch ID fingerprint sensor in side button; barometer; high dynamic range gyro; high-g accelerometer; proximity; four ambient light sensors; second-generation Ultra Wideband; NFC with reader mode; Thread networking

Cellular:

Apple C2; 5G sub-6GHz with 4x4 MIMO; mmWave on USA A3447; Gigabit LTE; UMTS/HSPA+; GSM/EDGE; bands vary by region/carrier

Location:

Precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, BeiDou, NavIC); digital compass; Wi-Fi; cellular; iBeacon microlocation

Touch ID:

Yes

Touchscreen:

Multi-Touch with Haptic Touch; Apple Pencil (USB-C) support announced for later 2026

Software

Original OS:

iOS 27.1 (24A94232)

Maximum OS:

iOS 27.1 (latest verified compatible release; still supported)

Intelligent Assistant:

Siri

AirDrop:

Supported

Handoff:

Supported

iTunes Version:

12.8 or later (Mac); 12.12.10 or later (Windows)

Apple Pay:

Supported

Audio Formats:

AAC, APAC, MP3, Apple Lossless, FLAC, Dolby Digital, Dolby Digital Plus, Dolby Atmos

Video Formats:

HEVC, H.264, AV1; HDR with Dolby Vision, HDR10+/HDR10, HLG

Windows System Requirements:

Windows 10 or later using iTunes 12.12.10 or later

Apple System Requirements:

macOS Catalina 10.15 or later using Finder; macOS High Sierra 10.13 to macOS Mojave 10.14.6 using iTunes 12.8 or later

Camera

Rear (Fusion Main)

Resolution:

2160p

Mega Pixels:

Mega Aperture:

ƒ/1.6

Zoom:

2x12MP optical-quality sensor crop; 10x digital photo zoom; 6x digital video zoom

Recording Formats:

HEVC, H.264; 4K Dolby Vision up to 60fps; Cinematic 4K60; Dual Capture 4K30; Action2.8K60; Audio Mix; Main 4K Dolby Vision up to 120fps

Rear (Fusion Ultra Wide)

Resolution:

2160p

Mega Pixels:

Mega Aperture:

ƒ/2.2

Zoom:

120° field of view; macro photography; 2x optical zoom out

Recording Formats:

HEVC, H.264; 4K Dolby Vision up to 60fps; Cinematic 4K60; Dual Capture 4K30; Action2.8K60; Audio Mix

Front outer (Center Stage)

Resolution:

2160p

Mega Pixels:

Mega Aperture:

ƒ/2.2

Recording Formats:

HEVC, H.264; 4K Dolby Vision up to 60fps; Cinematic 4K30; Dual Capture; Audio Mix

Front inner (under-display FaceTime)

Resolution:

1080p

Mega Pixels:

Mega Aperture:

ƒ/1.8

Recording Formats:

1080p30/60; Center Stage video calls; Audio Mix; 4MP reported by Gizmodo

Processor

User Upgradeable:

Architecture:

64-bit

Generation:

2 nm

Apple A20 Pro

Clock Speed:

4.93GHz

256GB, 512GB, 1TB or 2TB

Power

System Battery:

60W-capable or higher USB-C adapter/cable for 50% charge in 20 minutes; MagSafe/Qi2 up to 25W with 35W adapter, China 15W; adapters/chargers sold separately

Connection:

USB-C connector; MagSafe and Qi wireless charging

Built-in Battery:

Dual built-in rechargeable lithium-ion batteries; 4883 mAh total rated capacity (Apple Product Information Sheet, A3720; individual-cell capacities and Wh unverified)

Original Battery Life:

Typical 24h (mixed inner/outer); video 44h outer/31h inner; streamed 37h outer/26h inner

Service Notification Battery Cycles:

1000

Environmental

Resistance:

IP68, maximum6m up to 30 minutes underIEC60529; resistance not permanent and may decrease with wear

Operating Temperature:

Specification:

2 TB Night Sky

GBP:

£3199.00

USD:

$3199.00

EUR:

€3799.00

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iPhone DuoHello, hello.

iPhone DuoHello, hello.

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About This Mac

What Our Customers Say About Our Refurbished Products

Specification

Overview

iPhone19,4

Display

Connections

Software

Camera

Rear (Fusion Main)

Rear (Fusion Ultra Wide)

Front outer (Center Stage)

Front inner (under-display FaceTime)

Processor

Apple A20 Pro

Graphics

Apple A20 Pro GPU

Memory

Storage

Power

Environmental

Original Price

MK2H4QN/A

MK2J4QN/A

MK2F4QN/A

MK2G4QN/A

MK2D4QN/A

MK2E4QN/A

MK2K4QN/A

MK2L4QN/A

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