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Apple iPhone Duo
Full specification
General
| Device Type | Smart Phone |
| Model | A3720, A3721, A3447, A3719, iPhone19,4 |
| Released | 23, October 2026 |
Design
| Dimensions | Unfolded 117.8 x 164.6 x 5.2 mm, Folded 117.8 x 84.1 x 11.3 mm |
| Weight | 254 g |
| Build | Glass front, glass back, titanium frame |
| IP Rating | IP68 |
| Colors | Night Sky, Star White |
Display
| Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor) | LTPO Super Retina XDR OLED, 120Hz |
| FD Type It is Foldable Display Type | LTPO Super Retina XDR OLED, 120Hz |
| Size |
5.4 inches 7.6 inches Foldable Display |
| Resolution |
FHD, 1398 x 2034 pixels QHD+, 1878 x 2670 pixels Foldable Display |
| Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality. |
460 ppi 430 ppi Foldable Display |
| Protection Display Protection => Gorilla Glass is a special alkali-aluminosilicate glass shield with exceptional damage resistance that helps protect mobile displays from scratches, drops, and bumps of everyday use, It is always better to go for a smartphone with Gorilla Glass for that added protection and peace of mind. | Ceramic Shield glass |
| FD Protection It is Foldable Display Protection | Nano Texture finish, Anti-reflective coating |
| Features | 90.4% screen-to-body ratio, Hole-punch Notch, 120Hz, 1-120Hz LTPO, HDR10, HDR10+, HLG, Dolby Vision, DCI-P3, Peak brightness - 3000 nits, Max brightness HBM - 1600 nits, Always-On Display, Ceramic Shield 2, Anti-reflective coating, Nano Texture finish, Wide-angle OLED matte display |
Software
| OS OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device. | iOS 27.1 |
Hardware
| Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming. | Apple A20 Pro (2 nm) |
| CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone. | Hexa-core (2x high performance + 4x efficiency) |
| GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion. | Apple GPU (7-core graphics) |
Memory
| Card Slot Memory Card Slot is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras. | No |
| RAM RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices. | 12 GB |
| ROM Internal Storage is a data storage space (flash memory) mostly used in smartphones, tablets and other electronic devices where operating system, apps, music, photos, videos, files and other user data Is stored. | 256GB, 512GB, 1TB, 2TB |
| Type Design Type called form factor refers to a mobile phone's size, shape, and style as well as the layout and position of major components of phone. There are three major form factors seen in mobile phones => bar phones, folding phones and sliding phones. | NVMe |
| Variants | 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 2TB 12GB RAM |
Camera
| Primary Camera is able to capture photographs and usually videos, The most important characteristics of a camera are the resolution (measured in megapixels), lens focus type (fixed or automatic), higher megapixel cameras are known to capture higher quality photos, but not always a good measurement of the photos quality. | 48 MP, f/1.6, 26mm (wide), 1/1.56", 1.0µm, PDAF, sensor-shift OIS, (Sensor -, Sensor size - 1/1.56", Pixel size - 1.0µm) 48 MP, f/2.2, 13mm, 120° (ultrawide), 1/2.55", 0.7µm, PDAF, (Sensor -, Sensor size - 1/2.55", Pixel size - 0.7µm) |
| Video | 4K@24/25/30/60/100/120fps, 1080p@25/30/60/120/240fps, 10-bit HDR, Dolby Vision HDR (up to 120fps), ProRes, 3D (spatial) video |
| Features | Dual-LED dual-tone flash, HDR (photo/panorama) |
| Selfie | 4 MP, f/1.8, 22mm (wide), under display camera, (Sensor -, Sensor size -, Pixel size -); Cover camera: 12 MP, f/2.2, (wide), AF, (Sensor -, Sensor size -, Pixel size -) |
| Video | 4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS |
| Features | HDR, Dolby Vision HDR |
Media
| FM Radio | No |
| Loudspeaker | Yes, Stereo speakers |
| 3.5mm Jack | No |
| Alert Types | Vibration & Ringtone |
Connectivity
| Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices. | 6.0, A2DP, LE |
| Wi-fi Wi-Fi is a popular wireless networking technology using radio waves to provide high-speed network connections that allows devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world. | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot |
| Wi-fi Hotspot | |
| USB | USB Type-C 3.2 Gen 2, DisplayPort |
| GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky. | GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC |
| NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches. | |
| Infrared Infrared connectivity is an old wireless technology used to connect two electronic devices. It uses a beam of infrared light to transmit information and so requires direct line of sight and operates only at close range. |
Features
| Sensors Sensors are electronic components that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device. | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer, Ultra Wideband (UWB) support (gen2 chip) |
Network
| Technology | GSM / HSPA / LTE / 5G |
| 2G Network | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE |
| 5G Network | SA/NSA/Sub6/mmWave |
| SIM SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages. | eSIM |
| Dual SIM | Yes - Dual stand-by (eSIM + eSIM) |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
Battery
| Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium. | Li-Ion (Lithium Ion) |
| Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions. | 4883 mAh |
| Charging | Wired, PD3.2, AVS, 50% in 20 min |
| Wireless Wireless Charging (Inductive Charging) uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device. | 25W wireless MagSafe/Qi2, 50% in 30 min |
| Placement | Non removable |
| Standby Standby Time is the total amount of time that you can leave your is fully charged, turned on and ready to send and receive calls or data transmissions before completely discharging the battery. | NA |
Apple iPhone Duo Overview
The Apple iPhone Duo is Apple’s first foldable iPhone, announced on September 9, 2026 and released on October 23, 2026. It folds Apple’s flagship iPhone experience into a book-style foldable, pairing a 5.4-inch cover display with a 7.6-inch foldable Super Retina XDR display. Prices start at £1,999 / €2,299 for the 256GB model.
Unfolded, the iPhone Duo measures 117.8 x 164.6 x 5.2 mm and weighs 254 g; folded it is 117.8 x 84.1 x 11.3 mm. It uses a grade 5 titanium frame and hinge with Ceramic Shield 2 glass, and it is IP68 dust and water resistant (immersible up to 6 m for 30 minutes). It also supports a stylus, comes in Night Sky and Star White, and uses dual eSIM instead of a physical SIM tray.
The main display is a 7.6-inch LTPO Super Retina XDR OLED with a 1-120Hz adaptive refresh rate, HDR10 and Dolby Vision, 1000 nits typical brightness, 1600 nits HBM and 3000 nits peak brightness. Its 1878 x 2670 resolution (about 430 ppi) is finished with a Nano-texture coating and an anti-reflective layer. The 5.4-inch cover display is also an LTPO Super Retina XDR OLED with 120Hz, HDR10 and Dolby Vision, with 1398 x 2034 pixels (about 460 ppi) under Ceramic Shield 2.
Power comes from the Apple A20 Pro chip built on a 2 nm process, with a hexa-core CPU and a 7-core Apple GPU, paired with 12 GB of RAM and 256GB, 512GB, 1TB or 2TB of NVMe storage (there is no card slot). It runs iOS 27.1, upgradable to iOS 27.2. The 4,883 mAh battery supports PD3.2 wired charging (50% in 20 minutes) and 25W wireless charging via MagSafe/Qi2 (50% in 30 minutes).
The rear has a dual 48 MP camera system: a 48 MP wide camera (f/1.6, 26mm) with sensor-shift OIS, and a 48 MP ultrawide camera (f/2.2, 13mm, 120 degrees), with a Dual-LED dual-tone flash and 4K Dolby Vision video recording at up to 120fps. For selfies there is a 12 MP cover camera (f/2.2, AF) and a 4 MP under-display camera. The phone also has stereo speakers, Wi-Fi 7, Bluetooth 6.0, NFC, Ultra Wideband (gen2) and satellite connectivity for Emergency SOS, Messages and Find My, plus a side-mounted fingerprint sensor.
Apple iPhone Duo Pros and Cons
Apple iPhone Duo FAQ
Q1. What is the display size of the Apple iPhone Duo?
A. It has a 7.6-inch LTPO Super Retina XDR OLED foldable display (1878 x 2670 pixels, about 430 ppi) with a 1-120Hz refresh rate, HDR10 and Dolby Vision, plus a 5.4-inch cover display (1398 x 2034 pixels, about 460 ppi) with 120Hz, HDR10 and Dolby Vision.
Q2. Which chipset powers the Apple iPhone Duo?
A. It is powered by the Apple A20 Pro (2 nm) chipset with a hexa-core CPU and a 7-core Apple GPU.
Q3. How much RAM and storage does the Apple iPhone Duo have?
A. It comes with 12 GB of RAM and 256GB, 512GB, 1TB or 2TB of NVMe internal storage, with no card slot.
Q4. What are the camera specifications of the Apple iPhone Duo?
A. It has a dual rear camera setup: a 48 MP wide camera (f/1.6, 26mm) with sensor-shift OIS and a 48 MP ultrawide camera (f/2.2, 13mm, 120 degrees), plus a 12 MP cover selfie camera (f/2.2, AF) and a 4 MP under-display camera.
Q5. What is the battery capacity and charging of the Apple iPhone Duo?
A. It has a 4,883 mAh Li-Ion battery with PD3.2 wired charging (50% in 20 minutes) and 25W wireless charging via MagSafe/Qi2 (50% in 30 minutes).
Q6. Does the Apple iPhone Duo support 5G?
A. Yes, it supports 5G (SA/NSA/Sub6/mmWave), along with 4G LTE, 3G and 2G networks.
Q7. Is the Apple iPhone Duo water resistant?
A. Yes, it is IP68 dust and water resistant (immersible up to 6 m for 30 minutes).
Q8. Does the Apple iPhone Duo have a 3.5mm headphone jack or FM radio?
A. No, it does not have a 3.5mm headphone jack or FM radio. It has stereo speakers, a USB Type-C 3.2 Gen 2 port and Bluetooth 6.0.
Q9. What colours is the Apple iPhone Duo available in?
A. It is available in Night Sky and Star White.
Q10. When was the Apple iPhone Duo released?
A. It was announced on September 9, 2026, and released on October 23, 2026.
User Reviews
Disclaimer Note
We cannot guarantee that the information on this page is entirely 100% accurate.
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