什么是USB网络共享,以及如何为移动热点启用它?

内容来源:https://www.engadget.com/2225903/what-is-usb-tethering-how-enable-for-mobile-hotspot/
内容总结:
新华社北京电 在公共Wi-Fi信号不佳或担心网络安全时,除了常见的无线热点,智能手机还能通过USB数据线直接为电脑共享网络,这一功能被称为USB网络共享。相比无线热点,有线连接更加稳定,适合会展中心、机场等信号拥挤场所,且不会在公共场合暴露网络名称,同时连接时手机还能顺便充电。
不过,该功能存在一个限制:安卓手机无法通过USB连接苹果Mac电脑,但可连接Windows电脑或与iPhone组合使用。苹果iPhone用户连接Windows电脑时,可能需要从微软商店安装“Apple设备”应用或iTunes。
在安卓手机上启用该功能的步骤为:先用数据线连接手机和Windows电脑,然后进入“设置>网络和互联网>热点和网络共享”(部分机型在“设置>连接>热点和网络共享”),打开“USB网络共享”开关。若选项不可用,需确认使用的是支持数据传输的USB线而非仅充电线。iPhone用户则需用数据线连接电脑,在手机提示时点击“信任”并输入密码,随后进入“设置>个人热点”,开启“允许其他人加入”。若从未使用过热点,需先在“设置>蜂窝网络>设置个人热点”中启用。
需注意,USB网络共享更适合单台设备临时上网,若需同时连接笔记本和平板,仍建议使用无线热点。此外,电脑后台任务(如系统更新、云同步)可能快速消耗流量,运营商也可能对热点使用有限制、额外收费或单独计费,使用前最好确认套餐条款。尽管有线连接比无线更稳定,但网络质量仍取决于手机蜂窝信号强度,信号差时同样会卡顿。
中文翻译:
什么是USB网络共享?如何为移动热点开启它?
有时候,有线连接效果更好。以下是设置方法。
当你想到把智能手机当作移动热点使用时,脑海中浮现的可能是无线版本。但其实还有一种USB网络共享方式,它可以通过数据线将手机蜂窝网络连接分享给电脑。以下是它的工作原理、适用场景以及设置方法。
为什么选择USB网络共享?
对大多数人来说,在远离常规Wi-Fi时,无线热点仍然是让笔记本电脑上网的最便捷方式。它更灵活,支持多设备同时连接。而且与USB方式不同,你可以自由地把手机从电脑旁边移开。
但在某些情况下,USB网络共享可能更合理。有线连接更稳定,这在会展中心或机场等人员密集场所非常实用。它还意味着你不会在公共场合广播一个可见的网络。额外的好处是,手机在连接时可能还会充电。
如何设置USB网络共享
在深入之前,请注意一个大问题:安卓手机无法通过USB连接到Mac进行网络共享。(你仍然可以用Wi-Fi热点代替。)除此之外,USB网络共享适用于其他手机到电脑的组合,包括安卓到Windows,以及iPhone到Mac或Windows。
如果你从iPhone共享网络到Windows,可能需要从Microsoft Store安装Apple Devices应用或iTunes for Windows。
在安卓上:
- 用USB数据线将手机连接到Windows电脑。
- 在手机上,进入设置 > 网络和互联网 > 热点和网络共享。(在某些设备上,路径是设置 > 连接 > 热点和网络共享。)你也可以从屏幕顶部下滑打开快捷设置,然后长按“热点”跳转到网络共享菜单。
- 打开“USB网络共享”开关。如果该选项呈灰色不可用,请确保你使用的是支持数据传输的USB数据线,而不是仅充电线。
在iPhone上: - 用USB数据线将iPhone插入电脑。
- 你可能会看到身份验证提示。如果iPhone询问是否信任此电脑,点击“信任”并输入密码。如果你连接的是Mac,并且电脑上出现“允许配件连接”的提示,点击“允许”。
- 在iPhone上,前往设置 > 个人热点。(如果你之前从未使用过热点,可能需要先在设置 > 蜂窝网络 > 设置个人热点中开启。)
- 打开“允许其他人加入”。
几点需要注意的事项
USB网络共享通常更适合单一设备使用,而不是作为热点的完全替代品。因此,举例来说,如果你想同时让笔记本电脑和平板电脑上网,Wi-Fi热点才是解决方案。
请注意,笔记本电脑可能会因后台任务(如系统更新和云同步)消耗大量流量。你的运营商也可能限制热点使用、额外收费、单独计算流量额度,或根本不支持该功能。因此,在通过USB或Wi-Fi进行网络共享之前,最好先确认你的套餐内容。
尽管有线连接比无线热点更稳定,但它仍然依赖手机的蜂窝信号。信号不佳仍然意味着网络不佳,无论你用什么方式连接都是如此。
英文来源:
What Is USB Tethering And How Do You Enable It For Mobile Hotspot?
There are times when a physical connection works better. Here's how to set it up.
When you think of using a smartphone as a mobile hotspot, the wireless version is probably what comes to mind. But there's also USB tethering, which lets you share your phone's cellular connection with a computer over a cable. Here's how it works, what it's good for and how to set it up.
Why USB tethering?
For most people, a wireless hotspot is still the easiest way to get a laptop online when you're away from regular Wi-Fi. It's more flexible, supporting multiple simultaneous connections. And unlike the USB kind, you're free to move your phone away from the computer.
But there are some cases where USB tethering could make sense. A wired connection can be more stable, which is handy for crowded places like convention centers or airports. It also means you aren't broadcasting a visible network in public. As a bonus, your phone might charge while it's connected.
How to set up USB tethering
Before we dive in, note that there's one big catch: Android phones can't tether via USB to a Mac. (You can still use a Wi-Fi hotspot instead.) Otherwise, USB tethering works with other phone-to-computer setups, including Android to Windows and iPhone to Mac or Windows.
If you're tethering from an iPhone to Windows, you may need to install the Apple Devices app or iTunes for Windows from the Microsoft Store.
On Android:
- Connect your phone to a Windows PC using a USB cable.
- On your phone, navigate to Settings > Network & internet > Hotspot & tethering. (On some devices, it's under Settings > Connections > Hotspot & tethering.) You can also swipe down to open Quick Settings, then press and hold Hotspot to jump to the tethering menu.
- Toggle on USB tethering. If the option is grayed out, make sure you're using a data-capable USB cable and not a charge-only one.
On iPhone: - Plug your iPhone into a computer using a USB cable.
- You may see authentication prompts. If your iPhone asks whether to trust the computer, tap Trust and enter your passcode. If you're connecting to a Mac and see an "Allow accessory to connect" prompt on your computer, click Allow.
- On your iPhone, go to Settings > Personal Hotspot. (If you've never used a hotspot before, you may need to start under Settings > Cellular > Set up Personal Hotspot.)
- Turn on Allow Others to Join.
A few things to keep in mind
USB tethering usually makes more sense for one device than as a full hotspot replacement. So, for example, if you're trying to get both your laptop and tablet online at the same time, a Wi-Fi hotspot is the solution.
Keep in mind that laptops can burn through data with background tasks like updates and cloud syncing. Your carrier may also limit hotspot use, charge extra for it, count it against a separate data allowance or not support it at all. So it's worth checking your plan before tethering over USB or Wi-Fi.
And while a wired connection can be more stable than a wireless hotspot, it's still relying on your phone's cellular signal. Spotty service will still mean spotty internet, no matter how you connect.
文章标题:什么是USB网络共享,以及如何为移动热点启用它?
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