Apple’s iPhones run the iOS operating system, while iPads run iPadOS—based on iOS. You can find the installed software version and upgrade to the latest iOS right from your Settings app if Apple still supports your device.

苹果的iPhone运行iOS操作系统，而iPad运行基于iOS的iPadOS。 如果Apple仍然支持您的设备，则可以从“设置”应用中找到已安装的软件版本并升级到最新的iOS。

最新的主要版本是iOS 13 (The Latest Major Version is iOS 13)

The latest major version of Apple’s iOS operating system is , which Apple first released on September 19, 2019. iPads got 13.1—based on iOS 13.1—on September 24, 2019. Apple releases new major versions of iOS and iPadOS roughly once every twelve months.

Apple iOS操作系统的最新主要版本是 ，Apple于2019年9月19日首次发布在2019年9月24日获得了基于iOS 13.1的iPadOS13.1。Apple大约一次发布了iOS和iPadOS的新主要版本。每十二个月。

iOS 13 features a , a “” option for blocking robocalls, , , , and more.

iOS 13具有 ，“ ”选项，用于阻止自动 ， ， ， 等。

如何检查您是否拥有最新版本 (How to Check if You Have the Latest Version)

You can check which version of iOS you have on your iPhone, iPad, or iPod touch via the Settings app.

您可以通过“设置”应用检查iPhone，iPad或iPod touch上的iOS版本。

To do so, navigate to Settings > General > About. You’ll see the version number to the right of the “Version” entry on the About page. In the screenshot below, we have iOS 12 installed on our iPhone.

为此，请导航至设置>常规>关于。 您将在“关于”页面上的“版本”条目右侧看到版本号。 在下面的屏幕截图中，我们的iPhone上安装了iOS 12。

如何更新到最新版本 (How to Update to the Latest Version)

You can upgrade iOS to the latest version available for your device from the Software Update screen. Your iPhone, iPad, or iPod touch may occasionally show a notification telling you a new version of iOS is available, too.

您可以从“软件更新”屏幕将iOS升级到设备可用的最新版本。 您的iPhone，iPad或iPod touch有时可能会显示一条通知，告诉您也有可用的新版本的iOS。

To start an update, head to Settings > General > Software Update. Your device will immediately check for an updated operating system. If an update is available, you can download and install it whenever you want. Just tap the “Download and Install” option at the bottom of the screen to install it.

要开始更新，请转到设置>常规>软件更新。 您的设备将立即检查更新的操作系统。 如果有可用的更新，则可以随时下载并安装它。 只需点击屏幕底部的“下载并安装”选项即可进行安装。

If no updates are available for your device, you’ll see a “Your software is up to date” message instead.

如果您的设备没有可用的更新，则会显示“您的软件是最新的”消息。

You can also .

您也可以 。

为什么我不能更新到iOS 13？ (Why Can’t I Update to iOS 13?)

If your device tells you your software is up to date, but you aren’t running iOS 13 or iPadOS 13.1 yet, you’re probably using an older iPhone, iPad, or iPod Touch that Apple is no longer supporting with operating system updates.

如果您的设备告诉您您的软件是最新的，但是您尚未运行iOS 13或iPadOS 13.1，则您使用的可能是较旧的iPhone，iPad或iPod Touch，而Apple不再支持操作系统更新。

According to Apple, the following devices are compatible with the iOS 13 operating system:

根据Apple的说法，以下设备与iOS 13操作系统兼容：

• iPhone: iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone XS, iPhone XS Max, iPhone XR, iPhone X, iPhone 8, iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone 6s, iPhone 6s Plus, and iPhone SE

  iPhone ：iPhone 11，iPhone 11 Pro，iPhone 11 Pro Max，iPhone XS，iPhone XS Max，iPhone XR，iPhone X，iPhone 8，iPhone 8 Plus，iPhone 7，iPhone 7 Plus，iPhone 6s，iPhone 6s Plus和iPhone东南

• iPad: 12.9-inch iPad Pro, 11-inch iPad Pro, 10.5-inch iPad Pro, 9.7-inch iPad Pro, iPad (7th generation), iPad (6th generation), iPad (5th generation), iPad Air (3rd generation), iPad Air 2, and iPad mini 4

  iPad ：12.9英寸iPad Pro，11英寸iPad Pro，10.5英寸iPad Pro，9.7英寸iPad Pro，iPad(第7代)，iPad(第6代)，iPad(第5代)，iPad Air(第3代) ，iPad Air 2和iPad mini 4

• iPod touch: iPod touch (7th generation)

  iPod touch ：iPod touch(第7代)

If you have an older iPhone, iPad, or iPod that isn’t on this list, you won’t be offered iOS 13 on the Software Update screen. You can still install the latest version that is compatible with your device. But, to get iOS 13, you’ll need a new device.

如果您没有此列表中的旧版iPhone，iPad或iPod，则不会在“软件更新”屏幕上看到iOS 13。 您仍然可以安装与设备兼容的最新版本。 但是，要获得iOS 13，您将需要一台新设备。

Image Credit: /Shutterstock.com.

图片来源： /Shutterstock.com。

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