一忌高热。手机应避免受热曝晒。在高温季节，手机电路板或电池容易因高温产生变化，荧屏也容易因材质变化而扭曲变形。一般手机适宜温度为１０℃～３５℃，所以使用和携带手机要注意缩小其周围的温差，如手机进出空调房间和手机从１０℃以下环境中进入温暖的室内，都应将手机 Avoid high fever. Mobile phones should be protected from heat exposure. In the hot season, cell phone circuit boards or batteries easily change due to high temperature, the screen is also easily distorted due to material changes. Generally suitable cell phone temperature is 10 ℃ ~ 35 ℃, so use and carry cell phones should pay attention to reduce the temperature difference around them, such as cell phones out of air-conditioned rooms and cell phones from below 10 ℃ environment into the warm interior, should be mobile phones