Core Viewpoint - The article discusses the challenges faced by foldable smartphones in cold weather, highlighting user experiences and expert recommendations for safe usage in low temperatures [1][3][6]. Group 1: User Experiences - Some users reported that their foldable smartphones were damaged or cracked when used in cold regions, while others did not experience any issues [3]. - A repair shop noted that customers seeking repairs due to low temperatures were relatively few, indicating increased awareness among users about the risks of using foldable phones in cold conditions [3]. Group 2: Technical Insights - Foldable smartphones typically operate best within a temperature range of 0°C to 35°C, with extreme temperatures affecting battery, screen, and overall performance [5]. - The core issue with foldable screens in low temperatures is related to the physical properties of the materials used, which can become brittle and prone to breakage when frozen [7]. - The internal structure of foldable screens, including layers of polymers and ultra-thin glass, can also be affected by low temperatures, leading to increased resistance when opening and closing the device [7]. Group 3: Recommendations for Users - To protect foldable smartphones from cold damage, users are advised to keep their devices warm, using insulated cases and keeping them close to their bodies [8]. - Users should minimize outdoor opening and closing of the devices and allow them to acclimate to indoor temperatures before use [8]. - If the device shows signs of lag or freezing, users should avoid forcing it open and instead allow it to warm up in a suitable environment [8]. Group 4: Market Insights - According to IDC, the foldable smartphone market in China saw a year-on-year growth of 9.2% in 2025, with approximately 10.01 million units shipped [8]. - Huawei leads the market with a 71.8% share, followed by Honor with 9.1%, and Vivo with 4.9% [8].