如何更新iPad上的iOS软件

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共同创作者是 Luigi Oppido

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你可以使用iPad的软件更新程序，或是Mac电脑的iTunes程序来更新iPad系统软件。

方法 1
方法 1 的 2:

使用软件更新

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    备份iPad 。 在大多数情况下，升级iOS系统不会导致数据丢失，但是为了以防万一，最好先备份iPad设备。
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    用iPad自带的充电线将iPad连接到电源插座或台式电脑上。
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    如果iOS更新文件很大，你需要将iPad设备 连接到无线局域网 ，才能下载更新文件。
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    它位于页面的顶部。
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    • 如果没有出现这个链接，说明你的系统已更新至最新版本，当前没有可用的更新文件。
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    • 所需时间取决于更新文件的内容和大小，还有无线局域网的网速。
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方法 2
方法 2 的 2:

使用iTunes

PDF download 下载PDF文件
  1. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/6\/64\/Update-iOS-Software-on-an-iPad-Step-12-Version-4.jpg\/v4-460px-Update-iOS-Software-on-an-iPad-Step-12-Version-4.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/64\/Update-iOS-Software-on-an-iPad-Step-12-Version-4.jpg\/v4-728px-Update-iOS-Software-on-an-iPad-Step-12-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    如果你想要下载iPad的最新版系统软件，iTunes程序必须 更新到最新版本 。
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    备份iPad 。 在大多数情况下，升级iOS系统不会导致数据丢失，但是为了以防万一，最好先备份iPad设备。
  3. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/b\/ba\/Update-iOS-Software-on-an-iPad-Step-14-Version-3.jpg\/v4-460px-Update-iOS-Software-on-an-iPad-Step-14-Version-3.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/ba\/Update-iOS-Software-on-an-iPad-Step-14-Version-3.jpg\/v4-728px-Update-iOS-Software-on-an-iPad-Step-14-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    使用iPad自带的数据线，将数据线USB端口插入电脑，将比较细小的“Lightning”或“30-pin”端口插入iPad设备的充电口。
    • 如果电脑没有自动打开iTunes程序，请自己手动打开。
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    它位于窗口的左上方，工具栏的下方。
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    向下滚动屏幕，点击 检查更新 . 如果有可用的更新文件，iTunes程序会询问你是否想要下载并安装它。
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    iTunes会自动开始下载更新文件，并在完成下载后自动安装更新。
    • 在下载和安装更新的过程中，不可断开设备和电脑的连接。 [1]
    • 在这整个过程中，iTunes必须连入互联网。
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参考

  1. ↑ http://support.apple.com/kb/ht4623

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