Samsung Electronics is gearing up to unveil a markedly thinner iteration of its flagship foldable smartphone, part of a broader strategy to reclaim leadership in a segment where aggressive Chinese competitors have recently outpaced the South Korean giant on device slimness and weight. With the foldable category still representing a niche but high‑margin corner of the smartphone market, Samsung’s latest design tweaks—spanning materials engineering, hinge mechanics and component integration—signal a concerted effort to win back discerning consumers and reassert its dominance.
Engineering Reinventions in Materials
At the heart of Samsung’s catch‑up plan lies an overhaul of its display stack. For the past two years, the company has relied on an ultra‑thin glass (UTG) sandwich combined with a protective polymer layer to balance flexibility and scratch resistance. The upcoming model, internally dubbed the Galaxy Z Fold Thin, is expected to employ a third‑generation UTG that is 20 percent thinner than its predecessor while retaining the same level of structural integrity. Samsung Display’s in‑house research division has reportedly collaborated with polymer specialists to refine the top coating, enabling the screen to flex smoothly without adding bulk.
Beyond the glass, Samsung is sourcing slimmer, high‑capacity batteries from its own SDI unit. By reconfiguring cell stacking and shifting to a new pouch‑type architecture, engineers have shaved off nearly 1 millimeter in thickness and cut weight by around 10 grams. The integration of more compact RF modules and stacked circuit‑boards further contributes to the sleeker profile. According to component‑supply chain insiders, Samsung has also adopted a new generation of micro‑lens optics for its under‑display camera, allowing the camera module to sit 30 percent closer to the screen surface without compromising image quality—a move that trims the internal bezel width.
Hinge and Display Innovations
A slimmer phone chassis demands a hinge mechanism that can withstand repeated folding without sacrificing durability. Samsung’s latest invention in this space is a dual‑axis cam hinge that distributes mechanical stress more evenly across the fold. This design, inspired by precision linkages used in aerospace applications, utilizes miniature tungsten pivot pins and self‑lubricating bearings to deliver a smoother folding experience and reduce the hinge assembly’s thickness by 15 percent.
On the display side, Samsung’s engineers have honed a new crease‑minimization process. By applying variable‑density pixel‑matrix programming during manufacturing, the display driver IC can dynamically adjust local brightness and color rendering at the fold line, making the crease less visible to the naked eye. Early user tests conducted by Samsung’s UX labs indicate that the perceived crease severity has dropped by nearly half compared to the outgoing Galaxy Z Fold6.
The confluence of these hinge and display breakthroughs is projected to yield a folded thickness of just under 9 millimeters—comparable to Chinese rivals like Oppo’s Find N5 and Honor’s Magic V5, which have forced Samsung to accelerate its product roadmap. Achieving parity on slimness addresses a top‑line critique from critics who have repeatedly highlighted that Samsung’s foldables, while feature‑rich, have been noticeably thicker and heavier than offerings from emerging competitors.
Market Push and Competitive Dynamics
Samsung’s aggressive engineering measures coincide with a broader go‑to‑market overhaul. The company plans to introduce the new foldable at a global launch event next month, accompanied by a revamped marketing campaign that emphasizes the device’s featherlight feel and refined form factor. Pre‑order incentives in key markets—including trade‑in bonuses and bundling with Galaxy ecosystem products—are designed to entice both existing Samsung loyalists and “phablet” refugees frustrated by thicker foldables from marquee Chinese players.
Analysts expect Samsung to earmark over \$500 million in marketing spend across North America, Europe and Asia for the launch quarter, up 25 percent from last year’s Z Fold6 campaign. “Slimmer devices resonate with consumers who viewed previous models as too bulky,” says Ben Wood, chief analyst at CCS Insight. “Samsung’s pivot toward wafer‑thin foldables not only counters Chinese rivals but also preempts Apple’s anticipated entrance into the segment.”
Indeed, Apple is widely forecast to debut its first foldable iPhone as early as 2026, with industry veteran Ming‑Chi Kuo predicting a device that will prioritize svelte dimensions alongside premium materials. By accelerating its own foldable roadmap and achieving near‑parity on thickness, Samsung aims to erect a high bar that could discourage iPhone buyers from waiting.
Chinese competitors, however, are not standing still. Oppo has signaled plans for an ultra‑lightweight successor to its Find N5, boasting a 8.5 millimeter thickness and under 200 grams in weight, leveraging a novel magnesium‑alloy chassis. Honor, meanwhile, is rumored to integrate a proprietary polymer laminate developed in partnership with state‑owned research institutes, potentially delivering even greater resilience at sub‑9 millimeter thickness. The relentless pace of innovation in China’s foldable space underscores the urgency for Samsung’s engineering refinements and aggressive launch timeline.
Broader Implications for the Foldable Market
While ultra‑slim foldables address a key barrier to consumer adoption—namely, the unwillingness to carry a device noticeably thicker than conventional smartphones—market analysts caution that other factors will determine success. Price points remain a pain point: current high‑end foldables trade between \$1,600 and \$2,000, a premium that many consumers are reluctant to pay without clear use‑case differentiation.
To that end, Samsung is enhancing software features uniquely suited to its slimmer form. The upcoming release will debut an updated version of One UI that introduces adaptive multitasking gestures and AI‑powered window resizing, designed to make the expanded screen real estate feel more natural when the device is as thin as a standard slab smartphone. Exclusive partnerships with streaming services and productivity apps will enable optimized layouts that exploit the foldable’s larger canvas without compromising ergonomics.
Moreover, Samsung is working closely with select carriers to offer 0 percent financing for foldable pre‑orders, aiming to alleviate sticker‑shock and reduce upfront capital outlays for prospective buyers. In India, the world’s fastest‑growing smartphone market, Samsung has announced an early bird program that bundles its Galaxy Buds Pro earbuds and a complimentary two‑year screen protection plan for customers who trade in eligible older Samsung flagships. Such localized incentives may prove decisive in high‑potential emerging markets, where Chinese vendors have made significant inroads by tying aggressive hardware specs to competitive pricing.
Outlook and Next Steps
Industry trackers forecast that foldable smartphones will represent around 3 percent of the global smartphone market by the end of 2025, up from roughly 2 percent in 2024. This modest growth trajectory belies significant profit‑pool potential: foldables command higher margins than traditional clamshell or bar‑style phones, thanks to their premium positioning and advanced components.
For Samsung, maintaining its lead in foldable shipments—estimated at 8 million units in 2024, or approximately two‑thirds of the market—hinges on executing the ultra‑thin strategy flawlessly. Delays in supply‑chain ramp‑up, quality‑control setbacks or missteps in pricing could widen the gap for nimble Chinese rivals that operate with leaner cost structures and more flexible manufacturing partnerships.
Nonetheless, Samsung’s comprehensive approach—melding materials science breakthroughs, hinge‑mechanism refinements, software enhancements and robust marketing support—offers a clear path to countering the thin‑foldable threat. As the company prepares to unveil its slimmest foldable to date, the smartphone world will watch closely to see whether Samsung can translate engineering prowess into renewed category momentum and fend off the rising tide of Chinese innovation.
(Adapted from Reuters.com)









