Since introducing the first Galaxy Fold at 276 grams in 2019, Samsung Electronics has continued to expand what a foldable smartphone can be, advancing hinge and display design, durability, and usability with every generation. As those technologies evolved, Samsung focused on another challenge: making a large-screen foldable easier to carry every day, without losing the experiences that make the form factor unique. And through that pursuit, Galaxy Z Fold5 weighed 253 grams, and Galaxy Z Fold6 reduced its weight further to 239 grams. With Galaxy Z Fold7 came an even more ambitious goal: “Could a foldable be lighter than a bar-type flagship smartphone?” At the time, Galaxy S25 Ultra — one of Samsung’s flagship bar-type smartphones — weighed 218 grams. So, the development team set an even lighter weight target for Galaxy Z Fold7: 215 grams. Galaxy Z Fold7 reached that goal. And now, building on years of foldable innovation, Galaxy Z Fold8 combines a new form factor with advances in core technologies, materials, and internal architecture to weigh just 201 grams — 52 grams lighter than Galaxy Z Fold5. At 201 grams, Galaxy Z Fold8 is the world’s lightest fold. 1 ▲ Galaxy Z Fold’s weight and thickness by generation But consumers expected more than just a lighter foldable. A 2024 YouGov survey 2 found that a bulky or heavy design remained a concern among consumers not planning to purchase foldables, while battery life, durability, and display quality ranked as top priorities for those considering them. This insight shaped a core engineering goal for Samsung: make foldables thinner and lighter, while maintaining the core experiences users value most. Battery life, camera performance, thermal management, and durability still had to advance. That could not be achieved by changing a single component. Samsung engineers had to reimagine the entire device — advancing fundamental foldable technologies, introducing new materials, and revisiting hundreds of components and auxiliary parts to the fraction-of-a-gram level. From 253 grams to 201 grams. Three engineering innovations enabled that transformation. ▲ From Galaxy Z Fold5 to Galaxy Z Fold8, Samsung reduced 52 grams to deliver the world’s lightest foldable. The Thinner and Lighter a Foldable Gets, the More Precise the Engineering Must Become Making a foldable thinner and lighter brings a new set of engineering challenges. The layers inside the display need to become thinner while still meeting Samsung’s durability and reliability requirements. The metal plate supporting the display needs to stay extremely flat even as it becomes thinner. And the hinge has to manage the forces created every time the device folds and unfolds, while being designed around the size and structure of each product. Across generations, Samsung has continued to advance the display layers, ultra-thin metal precision machining, and hinge technologies central to its foldable devices. One example is Flex Titanium . The displays in Galaxy Z Fold8 and Galaxy Z Fold8 Ultra use Flex Titanium technology featuring a Titanium Alloy Film designed for the foldable display structure. The film is just tens of micrometers thick — roughly one-third the width of a human hair. Its material and structure work together to maintain performance at this extreme thickness. The metal plate that supports the display presents a different challenge. Some metal plates are machined to approximately 0.2 millimeters thick, with the thinnest sections reaching 0.15 millimeters. At that level, simply making the metal thinner is not enough. Thin metal can bend or warp more easily during machining, and even a small change in shape can affect assembly precision or the surface quality of the display. What matters is the ability to machine ultra-thin metal at around 0.2 millimeters while consistently achieving the required shape and flatness. Samsung refined the machining sequence, tooling, cooling conditions, and process parameters, breaking the process in