Apple iPhone Duo 1TB in Night Sky - MK1L4LL/A & 6055G

Product Details
Apple MK1L4LL/A & 6055G iPhone Duo 1TB in Night Sky
A new way to iPhone.
iPhone Duo. Largest iPhone display ever. In a thin, foldable design. Durable titanium frame. Unique iOS experiences.¹ 48MP Dual Fusion camera system. A20 Pro chip.
Features
Largest Display. In A Thin, Foldable Design
The largest iPhone display ever with nano-texture inner display to reduce glare. 50% larger display than iPhone 18 Pro Max.²
Foldable. Posable. Standable
Versatile poses offer reimagined iOS experiences for enhanced productivity, multitasking, and immersive viewing.¹
Beautiful And Durable
iPhone Duo is designed with Grade 5 titanium frame and hinge cover, and Ceramic Shield 2 front and Ceramic Shield back.
48MP Dual Fusion Camera System
48MP Fusion Main and Ultra Wide cameras, and all-new ways to shoot, like Smart Take that captures pictures automatically.
New Camera Features
Now with the first under-display FaceTime camera and 12MP Center Stage front camera.³
Vapor Cooled. Pro Performance
A20 Pro chip is purpose-built for AI workloads. Up to 50% faster 6-core CPU and up to 2.1x faster 7-core GPU compared to iPhone 15 Pro.
Dual-battery System. All-day Power
Up to 8 more hours of video playback (from 23 hours compared to iPhone 15 Pro) when using the inner display.⁴ Up to 21 more hours of playback (from 23 hours compared to iPhone 15 Pro) when using the outer display.⁴
Siri AI. Your Ai Assistant
Siri AI is a more personal, more powerful AI assistant.⁵ Ask open-ended questions, brainstorm ideas on the go, and more.
Satellite Features
Send and receive messages when you’re off the grid, right from the Messages app.⁶ With Crash Detection, iPhone can call for help if you can’t.⁷
Stronger Connectivity. Superfast Speeds
Stay connected at faster speeds with secure connections to Wi-Fi 7,⁸ Bluetooth 6, 5G connectivity,⁹ and eSIM.¹⁰
eSIM. Flexible. Secure. Seamless
iPhone Duo activates with an eSIM.¹⁰ With eSIM, you enjoy greater flexibility, enhanced convenience, increased security, and seamless connectivity, especially when traveling internationally.
Privacy
Use Touch ID to securely unlock, sign in, and pay.
Footnotes
¹ Features are subject to change. Some features, applications, and services may not be available in all regions or all languages.
² The display has rounded corners that follow a beautiful curved design, and these corners are within a standard rectangle. When measured as a standard rectangular shape, the screen is 5.36 inches (iPhone Duo outer display), 6.06 inches (iPhone 16e, iPhone 17e), 6.12 inches (iPhone 16), 6.27 inches (iPhone 17, iPhone 18 Pro), 6.55 inches (iPhone Air), 6.86 inches (iPhone 18 Pro Max), or 7.58 inches (iPhone Duo inner folding display) diagonally. Actual viewable area is less.
³ Action mode available on iPhone 14 models and later, excluding iPhone SE, iPhone 16e, and iPhone 17e. Audio Mix available on iPhone 16 models and later. Camera Control available on iPhone 16 models and later, excluding iPhone 16e and iPhone 17e. Center Stage front camera available on iPhone Duo, iPhone 18 Pro, iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max, and iPhone Air.
⁴ All battery claims depend on the cellular network, location, signal strength, feature configuration, usage, and many other factors; actual results will vary. Battery has limited recharge cycles and may eventually need to be replaced. Battery life and charge cycles vary by use and settings. Battery tests are conducted using specific iPhone units. See apple.com/batteries and apple.com/iphone/compare for more information.
⁵ Apple Intelligence is available with Siri and device language set to Chinese (Simplified), Chinese (Traditional), Danish, Dutch, English, French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Spanish, Swedish, Turkish, or Vietnamese. Some features may not be available in all regions or languages. Some devices may not be available in all regions. Siri AI is available in beta in iOS 27 and requires an Apple Intelligence–enabled device set to a supported language. Available in English to start. Siri AI will not be initially available in the EU on iOS. Certain Apple Intelligence features that rely on server-side models are subject to daily usage limits, including but not limited to Siri AI, Intelligent Photo Editing Tools, Image Playground, and AFM 3 Cloud models in Shortcuts. Daily limits may vary by feature, request complexity, system demand, system policies, and other factors. Expanded access to such features will be available for a fee in the future. Use of these features is subject to the Apple Intelligence Terms and Conditions. Learn more at apple.com/apple-intelligence.
⁶ Satellite features are included for free for two years with the activation of any iPhone 14 or later model. Connection and response times vary based on location, site conditions, and other factors. Some satellite features require a carrier plan. SMS messaging via satellite is available on supported carriers. SMS message rates may apply. Satellite connectivity is provided by Globalstar and its affiliates. See support.apple.com/kb/HT213885 for more information.
⁷ iPhone 14 and later can detect a severe car crash and call for help. Requires a cellular connection, satellite connectivity, or Wi-Fi calling.
⁸ Wi‑Fi 7 available in countries and regions where supported.
⁹ Data plan required. 5G is available in select markets and through select carriers. Speeds vary based on site conditions and carrier. For details on 5G support, contact your carrier and see apple.com/iphone/cellular.
¹⁰ iPhone Duo, iPhone 18 Pro, iPhone 18 Pro Max, iPhone 17 Pro, iPhone 17 Pro Max, iPhone 17e, iPhone 17, and iPhone Air models are activated with an eSIM and do not support a physical SIM. Use of an eSIM requires a carrier that supports eSIM and a wireless service plan (which may include restrictions on switching service providers and roaming, even after contract expiration). See your carrier for details. To learn more, visit apple.com/esim.
Read More
California customers
Proposition 65 WARNING
WARNING: Cancer and Reproductive Harm

Specifications
General
Color
Night Sky
Screen Size
7.6
Internal Memory Storage
1TB
Rear Facing Camera
48MP Fusion Main, 48MP Fusion Ultra Wide
Refresh Rate
120Hz
GPS
Yes
Water Resistance Depth
6 Meters for up to 30 minutes
Processor Model
A20 Pro Chip
Wi-Fi
Wi-Fi 7 (802.11be) with 2x2 MIMO
Second Screen Size
5.4
Water Resistant
Yes
Expandable Memory
No
Bluetooth
6.0
4G Capable
Yes
SIM Card Slots
Dual eSIM
Device Model
iPhone Duo
5G Capable
Yes
Media Card Slot
No
Ports
1 x USB Type-C
Wireless Charging
Yes
Stylus Included
No
Panel Type
OLED
Sensors
Touch ID fingerprint sensor, Barometer, High dynamic range gyro, High-g accelerometer, Proximity sensor, Four ambient light sensors
Screen Resolution
1848 x 2670
Second Screen Resolution
1398 x 2034
Dust Resistant
Yes
NFC
Yes
Battery Type
Lithium-ion
GPU
7-core GPU with Neural Accelerators
Screen Coating
Ceramic Shield 2
Chipset
A20 Pro
Headphone Jack
No
Speaker
Stereo speakers
Pixel Density (ppi)
460 (Outer Display), 430 (Inner Display)
Voice Assistant Built-In
Siri
Charging Method
Wireless, Wired
In the Box
1 x iPhone with iOS 27, 1 x USB-C Charge Cable (1m), Documentation
Brightness (nits)
1000 nits max brightness (typical), 1600 nits peak brightness (HDR), 3000 nits peak brightness (outdoor)
Digital Zoom
10x
Optical Zoom
2x
IP Rating
IP68
Front Facing Camera
18MP
Front Facing Video Resolution
1080p
Rear Facing Slo-Mo Video Support
1080p at 240 fps
Front Facing Slo-Mo Video Support
1080p at 120 fps
Video Stabilization
Yes
Audio Playback File Format
AAC, APAC, MP3, Apple Lossless, FLAC, Dolby Digital, Dolby Digital Plus, and Dolby Atmos
Video Playback Time
Up to 44 hours
Streamed Video Playback Time
Up to 37 hours
Fast Charge Capable
Yes
Operating System
iOS 27
Hearing Aid Rating
Hearing Aid Compatible
Operating Temperature
32° to 95° F (0° to 35° C)
Non-Operating Temperature
−4° to 113° F (−20° to 45° C)
Operating Altitude
Tested Up To 10,000 Feet (3000 m)
Operating Humidity
5% to 95% Noncondensing
Max Video Resolution
4K
Max Rear Camera Resolution
48MP
Max Front Camera Resolution
12MP
Warranty Information
Labor Warranty
1 Year Limited
Parts Warranty
1 Year Limited