如果您发现自己身处黑暗中，并且除了 iPhone 之外没有任何光源，您可能需要打开它的手电筒。你知道怎么做吗？它并不复杂，在本教程中，我们将向您展示它是多么容易。以下是打开和关闭 iPhone 手电筒的四种不同方法，以及如何调整其亮度级别：
注意：(NOTE:)为了创建本指南，我们使用了在iOS 12.3.1上运行的 iPhone SE 。如果您拥有不同型号的 iPhone 或运行不同的iOS 版本(iOS version)，智能手机上的情况可能会有所不同，但基本内容应该保持不变。
1. 从控制中心(Control Center)打开 iPhone 上的手电筒
要打开手电筒，请打开控制中心(Control Center)。如果您使用的是iPhone X或更新机型，请从屏幕顶部滑动。如果您使用的是旧版 iPhone，例如iPhone 8，请从屏幕底部滑动。
在控制中心(Control Center)，点击手电筒按钮，iPhone 上的闪光灯会立即亮起。
要关闭手电筒，请再次按下控制中心(Control Center)的手电筒按钮。
2. 通过询问Siri(Siri)在 iPhone 上启动手电筒
iOS 还允许您通过让Siri(Siri)执行此任务来打开手电筒。说“嘿 Siri”("Hey Siri,")，然后说“打开手电筒”。("Turn on the flashlight.")
如果Siri(Siri understood)正确理解了你，她会打开手电筒并告诉你“它打开了”。("It's on.")
同样，如果您想停止 iPhone 上的手电筒，请说“嘿 Siri”，("Hey Siri,")然后说“关闭手电筒”。("Turn off the flashlight.")关闭手电筒后，Siri会告诉您“它已关闭”。("It's off.")
3.从锁定屏幕(lock screen)打开iPhone X、iPhone X S、iPhone X S Max 和iPhone XR上的手电筒(iPhone XR)
如果您碰巧拥有iPhone X、XS、XS Max或 XR，还有另一种有时更快的方法可以直接从(XS Max)锁定屏幕(lock screen)打开手电筒。在这些 iPhone 机型上，锁定屏幕(lock screen)会在屏幕左下角显示一个手电筒按钮。要打开或关闭它，请点击手电筒按钮。
iPhone 上手电筒的一个巧妙的小功能是您可以调节其亮度。要了解如何操作，请阅读本教程的下一部分。
奖励：调整 iPhone 上手电筒的亮度级别
在 iOS 12 中，您还可以调整手电筒的亮度。为此，首先，打开iPhone 上的控制中心。(Control Center)然后，点击并按住(tap and hold)手电筒按钮。
然后，您的 iPhone 应该会显示一个新屏幕，您可以在其中看到具有几个级别的滑块。向上或向下滑动手指以调整手电筒的亮度。
请注意，无论手电筒是打开还是关闭，您都可以调整亮度级别。(brightness level regardless)
4.在你的iPhone上安装一个可以打开手电筒的应用程序
您可能更喜欢安装和使用可以在 iPhone 上启用手电筒的应用程序。在 iPhone 的主屏幕(home screen)上点击应用程序通常比打开控制中心(Control Center)或要求Siri打开手电筒要快得多。幸运的是， App Store(App Store)中有很多手电筒应用。打开App Store ，在其搜索字段(search field and wait)中输入flashlight并等待结果出现。然后选择您喜欢的手电筒应用程序之一，然后点击(Flashlight)获取(Get)以将其安装到您的 iPhone 上。
安装应用程序后，您可以从iPhone 主屏幕(iPhone home screen)打开它。
通常，这些类型的应用程序易于使用，并且为您提供一个带有手电筒Turn On/Off
请注意，您可能还会获得一些其他手电筒模式，例如SOS 或频闪模式(SOS or strobe modes)，因此如果您觉得这听起来很有趣，请务必检查您决定安装的手电筒应用程序提供的所有功能。(flashlight app)
你知道在 iPhone 上打开手电筒的其他方法吗？
这就是我们对在 iPhone 上启用和禁用手电筒的了解。如果您知道其他方法，请随时在评论中分享。此外，如果您对 iPhone 上的手电筒功能有任何疑问，请在下方提问。
4 ways to turn on the flashlight on an iPhone
If you find yourself in the dark, literally, and without any light sources around except your iPhone, you might want to turn on its flashlight. Do you know how tо do it? It is not cоmplicated, and in this tutorial, we are going to show you just how easy it is. Here are four different ways to turn the flashlight оn your iPhone on and off, and also how to adjust its brightness leνel:
NOTE: To create this guide, we used an iPhone SE running on iOS 12.3.1. If you own a different model of iPhone or run a different iOS version, things might look different on your smartphone, but the basics should remain the same.
1. Turn on the flashlight on your iPhone from the Control Center
To turn the flashlight on, open the Control Center. If you have an iPhone X or later, swipe from the top of the screen. If you have an older iPhone, like the iPhone 8, swipe from the bottom of the screen.
In the Control Center, tap on the flashlight button and the flash on your iPhone lights up instantly.
To turn the flashlight off, press the flashlight button from the Control Center once more.
2. Start the flashlight on your iPhone by asking Siri
iOS also lets you turn the flashlight on by asking Siri to perform this task. Say "Hey Siri," and then something like "Turn on the flashlight."
If Siri understood you correctly, she turns the flashlight on and tells you that "It's on."
Similarly, if you want to stop the flashlight on your iPhone, say "Hey Siri," followed by "Turn off the flashlight." After shutting the flashlight off, Siri tells you that "It's off."
3. Turn on the flashlight on your iPhone X, iPhone XS, iPhone XS Max, and iPhone XR, from the lock screen
If you happen to own an iPhone X, XS, XS Max, or XR, there's another, sometimes faster way of turning on the flashlight, directly from the lock screen. On these iPhone models, the lock screen displays a flashlight button on the bottom left corner of the screen. To turn it on or off, tap the flashlight button.
One neat little feature about the flashlight on the iPhone is that you can adjust its brightness. To learn how, read the next section of this tutorial.
BONUS: adjust the brightness level of the flashlight on your iPhone
In iOS 12, you can also adjust the brightness of your flashlight. To do that, first, open the Control Center on your iPhone. Then, tap and hold on the flashlight button.
Your iPhone should then display a new screen where you can see a slider with a few levels. Slide your finger up or down to adjust the flashlight's level of brightness.
Note that you can adjust the brightness level regardless of whether the flashlight is on or off.
4. Install an app that can turn on the flashlight on your iPhone
You might prefer to install and use an app that can enable the flashlight on your iPhone. Tapping on an app on your iPhone's home screen might often be a lot faster than having to open the Control Center or asking Siri to turn on the flashlight. Fortunately, there are plenty of flashlight apps in the App Store. Open the App Store, type flashlight in its search field and wait for the results to appear. Then choose one of the Flashlight apps that you like, and tap Get to install it on your iPhone.
After the app is installed, you can open it from your iPhone home screen.
Usually, these types of apps are easy to use, and give you is a screen with a Turn On/Off button for the flashlight.
Note that you might also get some other flashlight modes such as SOS or strobe modes, so if that sounds interesting to you, make sure to check every feature offered by the flashlight app that you decide to install.
Do you know other ways to turn on the flashlight on an iPhone?
This is what we know about enabling and disabling the flashlight on an iPhone. If you know other methods, do not hesitate to share them in a comment. Also, if you have any questions regarding the flashlight feature on iPhones, ask below.
