iPhone · Apple Silicon · 2026
iPhone Duo
The first iPhone that opens into something larger. Duo pairs a pocketable 5.4-inch outer display with a 7.6-inch nano-texture folding display, A20 Pro, dual batteries, Touch ID in the side button, and an iOS experience rebuilt for two-up multitasking.
Apple’s first foldable iPhone, first dual-display iPhone, and the largest iPhone display at launch.
iPhone 17e (2026)
iPhone Duo: key facts
When was the iPhone Duo released?
The iPhone Duo arrived on October 23, 2026.
How much did the iPhone Duo cost?
The iPhone Duo launched at $1,999 in 2026, about $2,019 in today’s money (approximate, US CPI).
What specs stand out?
Key specs: Apple A20 Pro, 256 GB storage, 7.6" folding OLED (1878×2670) + 5.4" outer OLED (1398×2034), ProMotion display, USB-C, MagSafe, Qi2 25W.
Why does the iPhone Duo matter?
Apple’s first foldable iPhone, first dual-display iPhone, and the largest iPhone display at launch.
Full specifications
| CPU | Apple A20 Pro |
|---|---|
| Cores | 6 |
| Memory (RAM) | — |
| Storage | 256 GB |
| Display | 7.6" folding OLED (1878×2670) + 5.4" outer OLED (1398×2034), ProMotion |
| GPU | Apple 7-core GPU with Neural Accelerators |
| Ports | USB-C, MagSafe, Qi2 25W |
| Weight | 254 g |
| Dimensions | 117.8×164.6×5.2 mm open; 117.8×84.1×11.3 mm closed |
| Operating system | iOS 27.1 |
| Released | October 23, 2026 |
| Discontinued | — |
| Launch price | $1,999 |
How the iPhone Duo compares to today
This held about 65,500 modern phone photos, a respectable library even today.
Launched at $1,999 in 2026, about $2,019 in today’s money (approx., US CPI).
Method note: clock comparisons use frequency only; price conversions use US CPI.
Sources
Specs checked against Apple iPhone Duo announcement, Apple iPhone Duo technical specifications, Apple technical specifications archive, EveryMac, Mactracker, Wikimedia Commons image credits.
Did you know?
Opened flat, its 5.2 mm titanium body is Apple’s thinnest iPhone; both screens share one aspect ratio so content scales continuously as the hinge moves.
Open the iPhone Duo in the interactive archive →
Last updated: 2026-09-11