The iPhone Duo is Apple’s first foldable iPhone. Closed, it’s a compact phone with a full outer screen. Open it up and you’ve got the largest display Apple has ever put on an iPhone, running on the same A20 Pro chip as the iPhone 18 Pro. Buying refurbished from The iOutlet means you pay less than Apple’s price, with every handset fully tested, unlocked and covered by a 12-month warranty.
The iPhone Duo goes on sale on 23 October 2026, so our first refurbished handsets will follow shortly after. Pop your email in the notify box on this page and we’ll tell you as soon as they land.
Need a phone now? The refurbished iPhone 18 Pro Max gives you a big screen and the same chip today. Or sell your old iPhone now and have the money ready for when the Duo arrives.
Sold out for now, but these are in stock
The nearest we have today on price, while we wait for the iPhone Duo to come back.
iPhone 18 Pro Max
£2,199.99
£221 more
In stock
iPhone 18 Pro
£1,618.99
£360 less
In stock
iPhone 17 Pro Max
£1,599.99
£379 less
In stock
iPhone 17 Pro
£1,149.99
£829 less
In stock
Every iPhone Duo is sold out right now
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The iPhone Duo has the highest starting price of any iPhone, at £1,999 new from Apple. That makes the saving on a refurbished handset worth more here than on almost any other model. You get the same phone, the same features and the same software updates, for less.
A foldable has more going on than a standard phone, so it pays to buy from a specialist. Every iPhone Duo we sell goes through our multi-point inspection, covering both screens, the battery, cameras, buttons and connectivity, and it’s checked against lost and stolen databases. It then comes with a 12-month warranty, free UK delivery and 30 days to return it if you change your mind. Interest-free options, including Klarna, are available at checkout.
The Duo suits people who read, watch, multitask or edit on their phone and want something closer to a small tablet without carrying one. Apple has reworked iOS 27 so apps adapt as you fold and unfold, and both screens share the same shape, so content simply scales up when you open it. The trade-off is the camera. The Duo has two rear cameras rather than the three on the Pro models, so there’s no dedicated telephoto lens.
If zoom photography matters more than screen size, the iPhone 18 Pro Max or iPhone 18 Pro will serve you better. Curious about foldables on Android? Take a look at the refurbished Google Pixel Fold. You can compare every model in our full range of refurbished iPhones.
What is the iPhone Duo?
The iPhone Duo is Apple’s first foldable iPhone, announced in September 2026 alongside the iPhone 18 Pro. It opens like a book, with a 5.4-inch outer screen for everyday use and a 7.6-inch inner screen when unfolded, and it runs on the A20 Pro chip.
When will refurbished iPhone Duo stock be available?
Apple puts the iPhone Duo on sale on 23 October 2026, with pre-orders from 16 October. Refurbished stock follows once the first handsets come back through returns and trade-ins. Sign up for a stock alert on this page and we’ll email you as soon as it’s in.
How much is a refurbished iPhone Duo?
Apple sells the iPhone Duo from £1,999 for 256GB. Our refurbished 256GB model is listed at around £200 less than Apple’s price, and the grid on this page always shows current pricing.
Is it safe to buy a refurbished foldable phone?
Yes, as long as it’s been properly checked and comes with a warranty. Every refurbished iPhone Duo from The iOutlet is inspected across both displays, the battery, cameras and connectivity, and is backed by a 12-month warranty plus 30-day returns.
How durable is the iPhone Duo?
Apple builds the iPhone Duo with a grade 5 titanium frame and a precision hinge designed for everyday folding, and the inner screen has a nano-texture finish to cut glare. As with any foldable, a good case and a bit of care with the inner screen go a long way.
What’s the difference between the iPhone Duo and iPhone 18 Pro Max?
Both use the A20 Pro chip. The Duo folds open to a far bigger display and is Apple’s thinnest iPhone when unfolded, while the Pro Max has a triple camera system with a telephoto lens and costs less. Choose the Duo for screen space and the Pro Max for photography.
What colours and storage sizes does the iPhone Duo come in?
The iPhone Duo comes in Star White and Night Sky, with storage from 256GB up to 2TB.
Does the iPhone Duo support Apple Intelligence and Siri AI?
Yes. The iPhone Duo runs iOS 27 with Apple Intelligence and Siri AI, and a refurbished handset gets the same software updates as one bought new.
What condition grades will the iPhone Duo come in?
We grade every phone on its cosmetic condition. A+ (Pristine) shows no visible wear. A (Excellent) has minimal signs of use, such as light scratches. B (Good) shows moderate wear. C (Average) has heavier cosmetic wear. Every grade has passed the same functional tests and comes with the same 12-month warranty. With the model so new, we expect most early stock to be A+ Pristine.
Will a refurbished iPhone Duo be unlocked?
Yes. Every iPhone Duo we sell will be unlocked, so it works on any UK network with your existing SIM or eSIM plan.
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