By Sarah Chen | Tech Daily · MyTechDailyNews
Before review scores settle an argument about a new phone, the resale market usually speaks first. With the iPhone Duo it spoke within days: the markup scalpers had piled on top of Apple's first foldable narrowed from 3000 yuan to a few hundred yuan. The trigger was not battery life, not a buggy update. It was the screen.
Owners describe roughly the same moment from different angles — fluid spreading across the inner panel during an ordinary opening, a white line racing from the hinge toward the edge within one hour of unboxing, one half of the unfolded display simply refusing to light. Some of the loudest voices in that group have defended the brand for years, and their swing from fans to critics is what drained the hype so quickly.
The device is the most expensive iPhone ever sold, and the launch had been framed as Apple's chance to repeat a Steve Jobs-era kind of category influence by arriving late and winning anyway. Instead, two tests are running at the same time: whether a first-generation folding mechanism survives daily hands, and whether the service system behind it can absorb the fallout. Below is what has been reported, what it costs, where the engineering evidence points, and what owners should do now.
An image provided by Xinmin Evening News shows a freshly purchased iPhone Duo with a shattered inner screen.
The consumer accounts collected by Chinese business outlet Yancaijing read like a case file, because the pattern matters more than any single complaint.
Ran Qi went to a local phone shop as soon as the device went on sale and picked the 512G configuration, listed at 17999 yuan on the official site. Because the shop was not an authorized Apple reseller, he paid 2000 yuan above that — a premium he accepted happily as the cost of being first.
On the morning of October 25, he opened the phone from its folded mode and found a large area of liquid leakage above the crease on the inner screen, plus a small dead spot on the left side. The answer he got was not a swap but a process: the unit had to travel to a repair centre for inspection before anyone would tell him whether the outcome was a repair, a replacement or a refund.
Then came a second gate. Ran Qi told Yancaijing that his service case ID had already been created, but progress stalled on packaging: Foxconn requires iPhone Duo returns to be shipped back in a dedicated box, so the phone cannot simply be packed in whatever is lying around. He is still waiting for an official return box to arrive.
An image supplied by the interviewee shows liquid leakage above the crease of the inner display.
Yao Shou's timeline is shorter and blunter. She bought the foldable on October 27 and, as she told Yancaijing, the display failed within one hour of taking it home. 'Maybe it had not opened and closed three times when there was a snap, and it cracked,' she said. In the photos she shared, the left half of the inner screen would not light at all; on the lower right half, dead dots and a white line ran from the central hinge all the way to the edge.
Her phone has been handed in for repair, and she is waiting too: inspection staff told her the assessment takes roughly 3 to 4 weeks before anyone decides whether to swap the device or process a return.
An image supplied by the interviewee shows a white line running through the inner panel.
Why the wait exists at all is the more uncomfortable part of the story. Screen faults must be assessed before exchange or refund because the service side first has to decide whether the damage came from the product itself or from human causes. Several phone repair shop owners told Yancaijing that when damage is judged human-caused, the repair or replacement is charged even inside the warranty period.
A Yancaijing reporter posing as a customer asked Apple Store staff about the policy. The answer: the iPhone Duo ships with a one-year warranty, but it only covers non-human quality problems; if the display shows dead dots or leakage, staff first check whether external force was involved, and a drop-caused break is paid out of pocket. The same employee put a screen replacement at roughly 7000—8000 yuan.
Apple's own repair pages carry estimates, and they reframe the risk quickly.
| iPhone Duo item | Figure on record | What it means for an owner |
|---|---|---|
| Outer screen repair estimate (official service page) | 3198 yuan | The panel you see when the phone is folded — the cheaper of the two |
| Inner screen repair estimate (official service page) | 7998 yuan | The large unfolded panel, and the one most failures are hitting; close to half the phone's own price |
| 512G model, official price | 17999 yuan | Plus 2000 yuan extra when bought through a non-authorized shop |
| Screen replacement quoted to a walk-in customer | 7000—8000 yuan | Ranges from slightly below to above the official inner-panel estimate |
| Standard warranty | One year | Covers non-human quality problems only |
| Assessment turnaround quoted to owners | 3 to 4 weeks | Repair, swap or refund is decided only after it |
The gap that matters is not the number but the boundary. Between paying 7998 yuan and getting a free exchange sits a foggy stretch called 'waiting for the test' — and the owner has no way to see where they stand while the phone is in the queue.
Liu Qi, an assistant researcher at the ANBOUND think tank's research centre in Chengdu, puts it plainly: Apple has every reason to investigate what triggered the screen failures and how much weight internal production factors versus outside forces carry, but at the launch of its first foldable it should be more generous on after-sales service, because that protects market reputation and shapes the next generation of folding devices. 'Apple should not fixate on the small short-term profit in front of it and give up market reputation and the trust it holds in consumers' hearts,' Liu Qi told Yancaijing.
Ran Qi has filed a complaint through China's 12315 consumer channel. He describes himself as a user of the Apple ecosystem for more than ten years, and his previous phone was the newly launched iPhone 18 Pro Max — yet this episode has soured his read of the service. As he put it, a first foldable at this price should have arrived only after the technology and the support around it were finished, and 'we should not be made into the object of trial and error.'
Apple has not published an official cause. The characteristics owners report, however, keep pointing at the same place: the hinge mechanism.
That hinge is one of the most important mechanical parts in a foldable. It carries and supports the panel, produces the opening and closing motion, and limits the bending radius of the screen. In doing so it decides how force is distributed across a bent display — design it imperfectly, and repeated use can produce cracks and delamination. A useful analogy: think of the inner screen as a stack of very thin sheets that must bend together; if the support underneath does not move out of the way in time, one sheet gets pinched at the fold line, and everything above it takes the strain.
That matches the reported pattern. Damage concentrates near the crease area of the inner screen. Some owners saw leakage after normal opening and closing; others heard a noise and then lost the display. The failures did not obviously follow a drop, water exposure or other visible force, which pushes the diagnosis toward structural reliability rather than accident.
On social platforms, different consumers reported visibly different damage patterns.
After the iPhone Duo went on sale, teardown firm iFixit used disassembly footage and CT scanning to model a plausible mechanism: if the hinge's supporting structure does not 'give way' during folding as designed, local pressure can build at the crease and create a stress concentration.
TrendForce described the same problem from the panel side. In a report, the firm noted that the iPhone Duo's inner screen is built from multiple layers — cover plate, optical adhesive, OLED display and encapsulation. When the phone is opened, a waterdrop-shaped hinge should support the screen in time; when it closes, that support should retreat and make room. If the central support does not step back enough, extra contact appears in the middle.
Liu Qi also locates the trouble between the cushioning structure and the hinge, but warns against treating this as a 'black swan' event: for a first-generation folding device it follows industry logic. Android makers spent years fighting hinge problems before Apple entered the category, and a hinge is a precision part that needs long validation cycles and many validation rounds — with the extra complication that Apple's product validation now involves variables that Android foldables never faced.
He groups the pressures on Apple's foldable quality control into three categories. First, as a late entrant chasing a market already educated by Samsung and Huawei, Apple had to deliver a device that is lighter, thinner and has a shallower crease, or lose its competitive edge — 'but lighter and thinner means higher quality-control risk.' Second, Apple works to fixed launch and mass-production windows: new products have to underpin capital-market confidence, so however complex a foldable is, it must hit the schedule, which easily compresses the validation cycle. Third, this first foldable relies on suppliers of ultra-thin glass and custom hinges that are not the partners that have matured inside the Android foldable system for years — Apple's supply-chain management is formidable, but new suppliers and a new product form still need trial-and-error room.
His comparison is blunt: Android foldables typically reach stable yields only after two or three generations, and Apple's slab iPhones have long run yields above 90%, which a first-generation foldable cannot match overnight.
A Xinhua News Agency photo taken on September 9, 2026 in Cupertino, California, US, shows the foldable iPhone Duo.
General industry practice underlines how unforgiving the category is. Folding panels are marketed around hinge cycle ratings and around ultra-thin glass measured in tens of micrometres, and the crease itself is a materials problem as much as a mechanical one: each layer in the stack bends on a slightly different radius, so repeated flexing concentrates stress along the fold line and the layers fatigue and deform. That is why makers across the category tell owners not to press hard objects against the open panel, not to sit on a folded phone, and never to peel the factory film on the inner screen.
In a photo by Xinhua photographer Cheng Min, visitors examine the internal structure of a foldable phone.
TrendForce expects the next fixes to be engineering-level: tighter coordinated control of components such as hinge travel and support height. Liu Qi adds that the production side needs process adjustments and faster iteration of parts to improve yield — and that Apple also needs to define a reasonable warranty scheme quickly and extend the coverage period, so reputation is not eroded further.
On October 26, Apple issued a statement on the iPhone Duo, saying it had identified a small number of devices with inner-screen problems and that users experiencing display issues should contact AppleCare for a device swap.
By the time the iPhone Duo shipped, the foldable field was already crowded and battle-hardened.
In China especially, Apple is not entering a market that needs to be persuaded. It is entering one that is already persuaded, contested by incumbents who got there first.
At Mobile World Congress 2025 in Barcelona, Spain, attendees examine a Huawei tri-fold phone; photo by Xinhua's Zhao Dingzhe.
The numbers tell the same story: in 2025, China foldable shipments came in at about 8.92 million units, up 42% year on year, with Huawei holding more than 70%. Globally, 2025 foldable shipments were about 19.83 million units, with Samsung at roughly 35% and Huawei at roughly 23%.
TrendForce's projection for the next twelve months is more interesting than encouraging. For the full year 2026, global foldable phone shipments are forecast at about 20.2 million units, a gain of only 0.5% over 2025. Strip Apple out and the remaining Android-led brands are expected to ship about 15.2 million units, down more than 20%. Apple's own iPhone Duo volume is projected at about 5 million units in 2026, giving a first-year share of roughly 24.8%. Another research house, Counterpoint, models the foldable iPhone's debut even higher — up to 6 million units and a No. 2 position — and expects cumulative global foldable shipments to cross 100 million units by the end of 2026.
| Snapshot | Forecast figure | Implication |
|---|---|---|
| Global foldable shipments, 2026 | About 20.2 million units, +0.5% | The category has stopped growing fast |
| Android-led brands, excluding Apple | About 15.2 million units, down more than 20% | Incumbents are shrinking, not expanding |
| iPhone Duo, 2026 | About 5 million units, roughly 24.8% first-year share | Largely redistributed demand, not new demand created |
Global foldable phone market share forecast; chart courtesy of TrendForce.
So the headline share Apple may reach in year one is mostly existing volume reassigned after Android's adjustment, not a fresh audience converted to folding. Why come now? Liu Qi's answer has two halves: mainstream iPhone innovation struggles to surprise anyone any more and the marginal cost of each technical iteration keeps rising; and as a listed company — particularly since new CEO John Ternus took office — Apple has to show shareholders a new growth line. The foldable checks three conditions: the form change is visible, the supply chain has an upgrade story, and the price tier can carry premium positioning. Even with Samsung and Huawei holding the head of the market, what is left is still a plausible growth space.
His view of Apple's edge is reputational rather than mechanical: 'Apple's biggest advantage comes from its credibility. That credibility comes from its supply-chain strength and from its globalised brand.' On the other side of the board, Liu Qi notes, Samsung's resources are gradually tilting toward AI and compute, while other vendors' international footprints do not match Apple's — a set-up he expects to produce staggered, non-head-on competition.
On October 23, 2026, a customer tries the foldable iPhone Duo at an Apple store in Chaoyang District, Beijing; photo by Xinhua's Wu Qinghao.
Because the service process first has to decide blame, not just damage. Inspectors are looking for whether the failure came from production or from external force, and multiple repair shops note that a human-caused verdict means payment even in warranty. Analyst Liu Qi's point is that this due diligence is legitimate, but a first-generation product launch is exactly the moment to loosen it rather than tighten it.
The official estimate for the inner panel is 7998 yuan, and Apple Store staff quoted a 7000—8000 yuan range for screen replacement; the outer panel is estimated at 3198 yuan. For a phone at 17999 yuan for the 512G model, an inner-panel bill is close to half the purchase price.
Mechanically, no — the whole category has been dealing with hinges, creases and layered panels for years, and Android makers needed two or three generations to stabilise. What is specific to Apple is the expectation attached to its first foldable and its position as the most expensive iPhone ever sold.
The resale premium has already collapsed, so scarcity pressure is off, and you can take your time deciding. If you buy, treat coverage and the inspection process as part of the price, not an afterthought. If you wait, the expected improvements are on the production side — TrendForce points to tighter control of hinge travel and support height, and Liu Qi urges faster part iteration plus a clearer, longer warranty scheme.
Not yet, and that is not what they measure. About 5 million units and a roughly 24.8% first-year share is a strong opening volume in a category forecast to grow only 0.5% — but it is mostly redistributed demand from a shrinking Android-led field, so the win has to be sustained through yield and trust rather than claimed at launch.
The iPhone Duo opened against three things at once: the yield curve that every first-generation folding device faces, incumbents who have led the category for years, and a public that wants novelty but competes on price. None of those, on their own, decides the outcome — a first product rarely defines a long run. What this episode does change is the checklist buyers should be using. When a category's most expensive device arrives, the honest comparison is not only the spec sheet but the repair quote, the assessment wait, the packaging requirement and the warranty wording; and for Apple, the folding story now depends on returning to the product itself, to supply-chain craft, and to the rights of the owners who paid first.
Have a foldable service experience to share? Write to our Tech Daily desk at hello@techdaily.com and we may cover it in a follow-up.