您的手机是否经常切换网络？或者您近期打算出国旅行吗？如果是这样，您应该知道称为数据漫游的东西。数据(Data)漫游是指您的手机连接到您订阅的运营商网络之外的网络以连接到互联网。如果您不小心，您的漫游费用可能会迅速增加，尤其是因为您可能在没有意识到
的情况下使用了您的移动数据。(using your mobile data)
通常， T-mobile(T-mobile)、At&T 或Verizon等手机运营商与其他网络签订了数据漫游协议。这些协议保证您，作为他们的订户，将在您的运营商覆盖范围未覆盖的区域得到覆盖。您的手机将不再连接到家庭网络服务，而是连接到另一个可以使用的网络。当然，这也取决于您的订阅计划。
数据漫游如何运作？
数据(Data)漫游通过运营商的网络进行管理。由他们为您启用此服务。如果您发现自己不在无线提供商的覆盖范围内，您的手机将自动搜索并连接到不同的网络(connect to a different network)。您无需执行任何操作。您的手机选择哪个(Which)网络取决于您所在的区域。
此外，如果您出国旅行，您的手机会自动切换到该国的网络。当外国网络检测到您连接到它时，它会识别您的祖国和家庭网络运营商。只有国内网络和国外网络有漫游协议，才能打电话、发短信、上网。但请放心，世界上大多数主要网络都已经制定了此类协议。
也就是说，不同的网络运营商使用不同的技术。有些使用GSM，有些使用CDMA。这意味着并非所有网络都能够提供体面的漫游覆盖。通常 4G LTE和下一代 5G 网络使用通用技术，但当涉及到较旧的 2G 和 3G 技术时，情况就不同了。
美国和世界上的许多地区仍在使用这些较旧的网络，您的设备也需要与这些技术兼容。幸运的是，大多数现代 iPhone 和Android设备都支持大多数网络技术，因此您无需担心，除非您的手机非常旧(you have a really old cell phone)。
国内和国际数据漫游(International Data Roaming)有什么区别(Difference Between Domestic)？
国内(Domestic)数据漫游是指在您所在的国家/地区使用您的手机，但不在您的网络运营商的覆盖范围内。在这种情况下，您的手机将连接到不同的国内网络。一些运营商网络合作以确保您在您所在国家/地区的任何地方都可以访问数据，但您可能必须订阅其中一项高级计划才能利用该系统而不会被多收。
国际(International)漫游是指您的手机连接到非国内（国外）网络。当您出国旅行时会发生这种情况。不同的运营商都有国际漫游协议，允许您在本国以外的地方继续使用您的设备。
您应该知道国际数据漫游会产生额外费用，您可以在下一次电话账单上看到这些费用。这些费用会迅速累积起来，您可能会在不知不觉中花掉很多钱。这就是为什么您可以关闭漫游并停止服务或启用低数据模式(enable low data mode)的原因。每当您计划旅行时，请务必仔细检查数据漫游价格。这样您就可以避免意外收费。
您应该使用数据漫游吗？
数据(Data)漫游很容易调整。如果您不想支付高数据漫游费用，您可以选择退出并关闭漫游。但是您可能会发现自己处于需要使用手机的情况。请(Make)务必了解如何在手机上快速访问数据漫游，以及如何在需要时将其打开。
关闭数据漫游可以让您免于支付高昂的电话费。但是您也可以通过一些预防措施将其保留。明智地使用您的移动数据并远离流媒体和下载。您还应该将智能手机设置为从不下载更新，除非连接到 Wi-Fi 网络。这意味着您的手机不会使用移动数据进行系统和应用程序更新。
数据漫游安全吗？
一般来说，数据漫游是安全的。但是您会想要了解您的家庭运营商可能已经实施的所有限制，以保护您免受过度数据使用。此外，在旅行时，您应该始终了解目的地国家/地区的隐私法。一些国家/地区的保护法更强或更弱。这意味着某些政府可能会收集和存储您的个人信息。您应该始终关注您的数字隐私。
数据漫游可能会变得昂贵
数据(Data)漫游费用取决于您的蜂窝网络运营商和使用的数据量。联系您的服务提供商并询问漫游费。
如果您住在欧盟(European Union)国家之一，您应该知道在欧盟范围内旅行现在属于“像在家一样漫游”政策。这意味着在欧盟境内拨打电话、发送短信(SMS)或使用移动数据
不会产生额外费用。
但是，已经设置了一些控制机制来防止移动运营商用户滥用“像在家一样漫游”系统。移动(Mobile)网络提供商通常会限制您在国外可以使用的移动数据流量，并且会对超过此限制的所有数据使用收取额外费用。
如何关闭数据漫游
如果您想避免为漫游付费，最好的办法就是将其关闭。
以下是在您的 iOS 设备上执行此操作的方法：
1. 进入手机的设置。
2. 点击移动数据。
3. 转到移动数据选项。
4. 关闭数据漫游。
如果您是Android用户，请按照以下步骤操作：
1. 前往设置。
2. 点击连接。
3. 转到移动网络。
4. 关闭数据漫游。
您也可以将手机置于飞行(Airplane)模式。这将关闭所有网络连接，包括 wi-fi 和蓝牙(Bluetooth)。但是，如果需要，您可以转到“快速设置”(Quick Settings)菜单并轻松打开Wi-Fi。
不同(Different)的移动运营商已经通过某些数据计划设置了旅行通行证或免费国际覆盖。例如，如果您是Verizon或 AT&T 用户，您可以以低至 10 美元的价格购买TravelPass ，并在 210 个国家/地区获得免费覆盖。(TravelPass)使用Magenta Max(Magenta Max)数据计划的 T-mobile 用户可以在 210 多个国家/地区享受无限数据和短信服务，但需要为语音通话支付额外费用。这些计划的漫游服务可以改变国外的生活。
常见问题
以下是我们对有关数据漫游的一些最常见问题的解答。当您需要访问国外的移动数据时，可以自由旅行(Travel)，知道会发生什么。
什么是数据漫游？
数据(Data)漫游是您的移动网络运营商提供的一项服务。当您在运营商网络之外时
，它允许您访问移动数据、电话和短信。(SMS)
如何判断我的设备(My Device)是否在漫游
大多数 iPhone 和Android手机都会在您的移动数据信号图标上方浮动一个 R。这是您的手机正在使用数据漫游的视觉指示。
但是不同的智能手机型号有不同的指标。你能做的最好的事情就是查阅你的手机手册。
漫游时
有数据限制吗？(Data)
这取决于您的蜂窝数据选项，但一般来说，答案是肯定的。您的提供商可以根据您的订阅计划限制漫游时可以使用的数据量。
我需要关闭 iPhone 或Android上的漫游功能吗？
Apple设备会自动关闭数据漫游，这样他们的用户就不会因为不需要的数据而额外付费。但这也意味着您不能在出国旅行时使用任何使用手机数据的应用程序。您将必须手动打开数据漫游。
但是，如果您有Android智能手机，则必须查看手册。在Android(Android)上运行的三星可能与其他手机有不同的设置。
负责任地使用数据漫游
在任何地方使用移动数据之前，请务必检查手机上的数据漫游设置。有些手机会在需要时自动激活它，你可能会在月底收到一大笔账单。所以请注意您使用的移动数据量——它可能很昂贵！
What Is Data Roaming and How Does It Work?
Іs your phone switching networks often? Or are you planning on traveling abroad anytime soon? If so, yoυ should be aware of something called data roaming. Data roaming is when your mobile рhone conneсts to a network outside of уour subscribed carrier’s network to connect to the іnternet. Your roamіng charges can add uр quickly if you’re not careful, especially because you might be using your mobile data without realizing it.
Typically, cell phone carriers such as T-mobile, At&T, or Verizon, have data roaming agreements with other networks. These agreements guarantee that you, as their subscriber, will be covered in the areas where your carrier’s coverage doesn’t reach. Your phone will no longer be connected to the home network service, but to a different network that can be used instead. Of course, this also depends on your subscription plan.
How Does Data Roaming Work?
Data roaming is managed through your carrier’s network. It is up to them to enable this service for you. If you find yourself outside your wireless provider’s coverage area, your phone will automatically search and connect to a different network. You don’t have to do anything. Which network will your phone choose depends on the area where you are.
Also, if you travel abroad, your phone will automatically switch to the network of that country. When a foreign network detects that you’re connected to it, it will recognize your home country and home network carrier. Only if there is a roaming agreement between your home and foreign network, will you be able to make phone calls, send text messages, and use the internet. But rest assured that most of the world’s major networks already have such agreements in place.
That said, different network carriers use different technologies. Some use GSM and others use CDMA. That means that not all networks have the ability to provide decent roaming coverage. Typically 4G LTE and next-gen 5G networks use common technologies, but when it comes to older 2G and 3G technologies, it’s different.
Many areas of the U.S. and the world still operate on these older networks and your device also needs to be compatible with these technologies. Luckily, most modern iPhones and Android devices support most network technologies, so you don’t need to worry unless you have a really old cell phone.
What Is the Difference Between Domestic and International Data Roaming?
Domestic data roaming refers to using your mobile phone in your country, but outside of your network carrier’s coverage. In that case, your phone will connect to a different domestic network. Some carrier networks partner up to ensure you have data access wherever you might travel in your country, but you might have to subscribe to one of the premium plans to take advantage of this system without being overcharged.
International roaming is when your mobile phone connects to a non-domestic (foreign) network. This will happen when you travel abroad. Different carriers have international roaming agreements that will allow you to continue using your device outside of your home country.
You should know that international data roaming will come with additional charges, which you will be able to see on your next phone bill. These charges can quickly add up, and you can spend a lot of money without even realizing it. That’s why you can switch off roaming and stop the service or enable low data mode. Always double-check data roaming prices whenever you plan to travel. This way you will avoid unexpected charges.
Should You Use Data Roaming?
Data roaming is easily adjustable. If you don’t want to pay for high data roaming rates, you can opt out and switch off your roaming. But you might find yourself in situations where you will need to use your phone. Make sure to learn how to quickly access data roaming on your mobile phone, and how to turn it on if needed.
Switching off data roaming can save you from high phone bills. But you can also leave it on with a few precautions. Be smart about using your mobile data and stay away from streaming and downloading. You should also set your smartphone to never download updates unless connected to a wi-fi network. That means your mobile phone will not use mobile data for system and app updates.
Is Data Roaming Safe?
Generally, data roaming is safe. But you will want to learn all the restrictions your home carrier might have put in place to protect you from excessive data usage. Also, when traveling you should always inform yourself of your destination country’s privacy laws. Some countries have stronger or weaker protection laws. This means some governments might collect and store your personal information. You should always be concerned about your digital privacy.
Data Roaming Can Get Expensive
Data roaming charges depend on your cellular network carrier and the amount of data used. Contact your service provider and ask about the roaming fees.
If you live in one of the European Union countries, you should know that traveling within the EU now falls under the “roam like at home” policy. This means there are no additional charges for making calls, sending SMS, or using mobile data when in the EU.
However, there are control mechanisms set in place that prevent mobile carrier users from abusing the “roam like at home” system. Mobile network providers usually limit the mobile data you can spend when abroad, and will implement additional charges for all data use above this limit.
How to Turn Off Data Roaming
If you want to avoid paying for roaming, the best bet is to simply switch it off.
Here is how to do it on your iOS device:
1. Go to the phone’s Settings.
2. Tap Mobile Data.
3. Go to Mobile Data Options.
4. Toggle the Data Roaming off.
If you’re an Android user, follow these steps:
1. Go to Settings.
2. Tap on Connections.
3. Go to Mobile Networks.
4. Toggle the Data Roaming off.
You can also put your phone on Airplane mode. This will turn off all network connections including wi-fi and Bluetooth. However, you can go to the Quick Settings menu and easily turn on Wi-Fi if needed.
Different mobile carriers have set up travel passes or free international coverage with certain data plans. For example, if you are a Verizon or AT&T user, you can buy TravelPass for as low as $10 and get free coverage in 210 countries. T-mobile users with the Magenta Max data plan have unlimited data and texting in more than 210 countries, but will pay additional fees for voice calls. These planned roaming services can be a life changer abroad.
FAQs
Here are our answers to some of the most frequently asked questions regarding data roaming. Travel freely knowing what to expect when you need access to mobile data abroad.
What Is Data Roaming?
Data roaming is a service provided by your mobile network carrier. It allows you access to mobile data, phone calls, and SMS when you’re outside of your carrier network.
How to Tell If My Device Is Roaming
Most iPhones and Android phones will have an R floating above your mobile data signal icon. This is a visual indication that your phone is now using data roaming.
But different smartphone models have different indicators. The best you can do is consult your phone’s manual.
Are There Data Restrictions When Roaming?
That depends on your cellular data options, but generally, the answer is yes. The amount of data you can use when roaming can be restricted by your provider based on your subscription plan.
Do I Need to Turn Off Roaming on My iPhone or Android?
Apple devices automatically switch off data roaming so that their users are not charged extra for unwanted data. But that also means that you cannot use any of the apps that use your phone’s data to work when traveling abroad. You will have to manually turn on data roaming.
If you have an Android smartphone, however, you’ll have to check your manual. A Samsung that runs on Android may have different settings from other phones.
Use Data Roaming Responsibly
Before using your mobile data anywhere, make sure to check your data roaming settings on your phone. Some phones will activate it automatically when needed, and you might end up getting a massive bill at the end of the month. So be mindful of how much mobile data you’re using – it can be expensive!
