iOS系统怎么电影？

以iPhone手机更新ios12系统为例，具体方法如下：

一、在手机桌面上找到“设置”一项，然后点击进入。

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二、进入设置找到“通用”，然后点击进入。

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三、进入通用找到“软件更新”，然后点击进入。

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四、进入软件更新后，就会看见最新的ios12版本。

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五、下拉到底部，找到“自动更新”一项，将其开关开启即可更新ios12。

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