Apple's First Foldable iPhone Duo Launches, Huawei's Eight Years of Foldable Accumulation

The Foldable Race Welcomes Its Strongest New Player

In September 2026, Apple's first foldable phone, the iPhone Duo, officially debuted. The foldable track has been running for eight years, and finally Apple has arrived. As buzzy as it is, a more intriguing fact remains: the leader's position has not loosened with the arrival of a new player.

The Huawei Mate X7 released in November 2025 is the culmination of Huawei's dual-fold efforts—an ultra-reliable Kunlun fold architecture, second-generation XMAGE imaging, and HarmonyOS large-screen AI packed into a slim body, making no trade-offs between reliability, imaging, and large-screen efficiency. IDC Q1 2026 data shows Huawei's foldables hold a steady 60% share, ranking first in China. Share is only the result; laying out the path of form evolution makes the innovation gap even clearer.

Form Evolution: Eight Years Filling Out Four Foldable Forms

Folding form was initially a technical proposition: can the screen fold, can the hinge hold up, and is it usable after folding.

In 2019, the first-generation Huawei Mate X was the first to deliver with an outward-folding form; the Mate X2 switched to inward folding, establishing the underlying architecture for horizontal large folds; each generation since has been doing subtraction—lighter, thinner, more reliable, with the Mate X6 further strengthening reliability and imaging experience.

Beyond the horizontal-fold mainline, the vertical-fold Pocket, wide fold, and triple fold have landed one after another. With horizontal, vertical, wide, and triple folds all covered, addressing virtually all user needs, Huawei became the first domestic manufacturer to complete a full-form matrix.

From outward to inward folding, from wide fold to dual fold to triple fold, this complete technical path is a depth no single new product can immediately match. First-generation products answered "does it exist"; eight years of iteration answer "is it good."

The four foldable forms differ mainly in bending method and screen usage strategy. Outward folding bends the screen outward, leaving the screen exposed when folded, maximizing screen area when unfolded, but the screen scratches easily and demands a high folding radius; inward folding bends the screen inward, protecting it inside the body when folded, and is currently the mainstream approach for horizontal large folds, at the cost of a thicker folded body and the need for an auxiliary outer screen; vertical folding resembles a traditional flip phone, focusing on portability and palm-sized dimensions, unfolding into a regular bar screen; wide folding maintains a wider ratio even when folded, unfolding close to a small tablet, balancing portability and productivity. Triple folding achieves two bends via two hinge sets, further jumping in screen size when unfolded, with technical difficulty concentrated in hinge synchronization, multi-layer screen stacking, and overall thickness control. Forms are not simple permutations; each corresponds to different hinge structures, screen materials, and user scenarios, so "covering all four forms" means multiple technical routes are simultaneously proven, not a single-product breakthrough.

Large-Screen Efficiency: Value Released After Unfolding

The true value of the folding form is only unleashed the moment the large screen unfolds.

For users switching from bar phones, the Huawei Mate X7's folded width is comparable to mainstream bar phones—slipping into a pocket or scrolling one-handed requires no relearning, with almost no adaptation cost. Once unfolded, split-screen linkage, instant annotation, multitasking, plus Celia AI agent's cross-app scheduling, the large screen truly starts doing things for the user—experiences bar phones cannot deliver, which is exactly the unique value of the folding form.

Supporting this ease is the easily overlooked hinge: the Kunlun water-drop hinge, 2350MPa ultra-strong rocket steel, and a 5-arc-arm design, refined through multiple product generations and large-scale user validation.

By contrast, the iPhone Duo's hinge solution has not yet gone through a complete market validation cycle. The gap in form innovation lies not in those few minutes at the launch event, but in day after day of opening and closing.

The hinge is the most core mechanical component of a foldable, directly determining crease depth, opening/closing feel, screen flatness, and overall reliability. It must achieve multi-stage damping, hovering, and synchronized motion within an extremely small space while withstanding hundreds of thousands of open-close cycles. 2350MPa ultra-strong rocket steel refers to the yield strength grade of the steel used in the hinge's key load-bearing components; the higher the value, the less prone to plastic deformation during repeated bending, thereby maintaining screen flatness and structural stability after long-term opening and closing. Water-drop hinge increases the bending radius and reduces creases by having the screen form a water-drop curve at the bend rather than folding directly. Multi-arc-arm design further disperses bending stress across multiple arc arms, making opening and closing smoother and screen stress more uniform. These parameters and structures are not marketing talk, but engineering results that require multiple product generations and extensive real-world user open-close data feedback to gradually converge—new entrants cannot easily cross this validation cycle in a short time.

Price Reduction: Lower Barriers Bought by Eight Years of Accumulation

The account of innovation only counts when it reaches the price.

The Huawei Mate X7 starts at 11,999 yuan, already below the iPhone Duo; the Huawei Mate X6 now starts at 8,999 yuan (9,999 yuan with a 1,000 yuan official website coupon), directly dropping into Apple's bar-phone price band, and includes a limited-time HUAWEI Care+ accidental damage protection worth 999 yuan (one-year term).

Eight years of technical accumulation have bought not a higher premium, but lower entry. When foldable form innovation can truly be used by more people, that itself is the best proof of maturity.

Early foldable prices were high mainly due to three cost aspects: low yield of flexible screens and cover materials, difficulty in precision hinge machining, and complex body stacking and thermal design. As the supply chain matures and manufacturers increase in-house R&D proportions, these costs are amortized year by year. HUAWEI Care+ accidental damage protection is an official Huawei value-added service, typically covering damage outside warranty such as accidental drops and liquid damage, providing one or more low-cost or even free repair rights. For categories like foldables whose repair costs are significantly higher than bar phones, accident protection itself is part of lowering users' long-term ownership costs. When foldable starting prices enter the bar-flagship range and are combined with official protection services, the entry barrier for the folding form is no longer just hardware price, but the total lifecycle usage cost of the device—exactly the direct result of a mature supply chain and multi-generation product accumulation.

After Apple Enters, the Market Already Has an Answer to This Choice

Apple's entry pulls foldables back into the public eye, which is good for the industry. But understanding the eight-year form history makes it clear: innovation is never a single launch, but a path of continuous evolution.

From outward and inward folding to wide fold and triple fold, from hinge materials to AI large-screen scheduling, Huawei has dissected and solved every technical problem of foldables. The iPhone Duo's first homework deserves respect, but it stands on a track others have run for eight years.

The multiple-choice question "Huawei or Apple for foldables" has actually already been answered by the market.

One-line Summary

Apple's first foldable iPhone Duo launches, but Huawei holds its lead with eight years across four forms and 60% share.

Paragraph Summary

In September 2026, Apple's first foldable iPhone Duo launched, bringing Apple to the foldable track for the first time. But the article notes the leader's position has not loosened: Huawei spent eight years covering horizontal, vertical, wide, and triple fold forms, with IDC Q1 2026 data showing it holds 60% share, first in China. The Huawei Mate X7 makes no trade-offs among reliability, imaging, and large-screen efficiency, with core components like the Kunlun water-drop hinge validated through multiple generations and large-scale users; the iPhone Duo's hinge solution has not yet completed a full market cycle. On price, the Mate X7 starts below the iPhone Duo, while the Mate X6 drops to 8,999 yuan, entering Apple's bar-phone price band. The article concludes foldable innovation is not a single launch but a path of continuous evolution, and the market already has its answer.