大晚上的躺在被窝里玩手机害怕刺眼睛，可是手机已经调到最低了，还是觉得很亮怎么办？
设置 - 通用 - 辅助功能 - 显示调节 - 降低白点值
初始值是25%，最高值是100%，滑动滑条，数值越高，亮度越低。
图中的示例不能实际演示屏幕亮度的变化，可在手机中试试
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