电源按钮红灯亮起表示在操作过程中和待机模式。

Power button lights up in red during operation and standby mode.

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您的手机关机，并返回到下载模式按住音量调低，主页按钮，电源按钮，音量按钮，然后撞了上去。

Power off your phone and go back into downloading mode by holding down Volume down, Home button, and Power button then hit the Volume Up button.

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你可以通过关闭您的手机再次进入下载模式按住音量调低，主页按钮，电源按钮，然后点击“音量”按钮。

You can do this by powering off your phone again and go back into downloading mode by holding down Volume down, Home button, and power button then hit the Volume Up button.

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