In recent years, foldable smartphones have gained popularity for their innovative form factor and larger screen experience. However, users in cold regions like Northeast China have reported issues such as screen cracking, worsened creases, or even failure to open and close properly in freezing temperatures—jokingly dubbing them “crushed ice” upon arrival in the northeast. This phenomenon stems primarily from the physical limitations of the flexible OLED displays and ultra-thin glass (UTG) used in foldables, which become more brittle under extreme cold. When temperatures drop below -20°C, these materials lose flexibility, while hinge mechanisms may jam or deform due to thermal contraction, increasing the risk of damage. Additionally, battery life drops significantly in low temperatures, further degrading user experience. Experts recommend minimizing folding actions in freezing conditions and keeping devices close to the body to maintain warmth. Manufacturers are actively improving cold-weather resilience by enhancing material durability and refining hinge designs. With ongoing technological advances, foldable phones are expected to eventually achieve reliable all-season performance—even in the harshest winters.
近年来，折叠屏手机凭借其创新的形态和更大的屏幕体验备受关注。然而，在中国东北等寒冷地区，不少用户反映折叠屏手机在低温环境下出现屏幕碎裂、折痕加剧甚至无法正常开合的问题，被戏称为“到了东北变‘碎碎冰’”。这一现象主要源于折叠屏所采用的柔性OLED屏幕和超薄玻璃（UTG）材料在极寒条件下物理性能下降。当温度骤降至零下20℃甚至更低时，屏幕材料会变脆，铰链结构也可能因热胀冷缩而卡顿或变形，从而导致使用风险增加。此外，低温还会显著缩短电池续航，进一步影响用户体验。专家建议，用户在严寒环境中应尽量避免频繁折叠手机，或将设备贴身存放以保持温度。厂商也正通过改进材料耐寒性、优化铰链设计等方式提升产品在极端气候下的可靠性。未来，随着技术进步，折叠屏有望真正实现“无惧严寒”的全天候使用。
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