[{"data":1,"prerenderedAt":207},["ShallowReactive",2],{"blog:vpn-not-working-on-mobile-data":3},{"zh-CN":4,"en":112},{"blocks":5,"faq":96},[6,9,11,15,17,19,21,24,26,51,53,56,67,70,78,80,83,85,87,89,92,94],{"type":7,"html":8},"p","同一个账号，同一台手机，Wi-Fi 下能正常用，切到移动数据就不行——或者反过来，出门用得好好的，回家连上 Wi-Fi 反而不行了。这种「一边好一边坏」的现象，几乎已经可以排除账号和客户端本身的问题：账号只有一个，客户端也没换过，能在一种网络下正常工作，说明问题出在具体的网络环境上，而不是软件坏了。",{"type":7,"html":10},"真正的原因藏在 Wi-Fi 和移动数据这两条线路完全不同的管理方式里：一条是路由器和宽带运营商在管，另一条是手机基站和移动运营商在管，两边谁会限制什么、限制到什么程度，从来就不是同一套规则。这篇先教你三十秒定位到底是哪一边，再分别讲清楚两边各自最常见的原因。原则照旧：一次只改一个条件，先别把网络、节点、设置一起换，改了一堆才恢复正常，也说不清到底是哪一步起的作用。",{"type":12,"id":13,"html":14},"h2","bp-triage","先确定问题出在哪一边",{"type":7,"html":16},"第一步永远是确认现象本身：两种网络分别单独测一次，确认真的是「只有一边不行」，而不是两边都有点问题只是程度不同，也不是刚好那次测试碰上了偶然的波动。",{"type":7,"html":18},"如果结论已经很明确——比如 Wi-Fi 完全打不开任何页面，移动数据一切正常——再加一步：用手机开热点，让电脑或者其他设备连这个热点试试。这一步能把「网络类型」和「具体这条线路」两个变量分开：如果连热点也不行，问题更可能出在设备或账号那一层，而不是 Wi-Fi 本身；如果连热点就正常，基本能确认是那条 Wi-Fi 线路有针对性的限制，而不是笼统的「Wi-Fi 都不行」。",{"type":7,"html":20},"这一步之所以重要，是因为「Wi-Fi」不是一个东西，家里的 Wi-Fi、公司的 Wi-Fi、咖啡厅的 Wi-Fi 背后是完全不同的三条线路，各自的限制方式也不一样。不用热点交叉验证，很容易把「这一条 Wi-Fi 有问题」误判成「Wi-Fi 这种网络类型有问题」，下次换到另一个地方的 Wi-Fi，结论可能完全相反。",{"type":12,"id":22,"html":23},"bp-compare","Wi-Fi 和移动数据到底有什么不一样",{"type":7,"html":25},"两条线路从管理方式到你能改动的范围都完全不一样，这也是为什么同一个客户端、同一个账号，在两边的表现会不一致。",{"type":27,"align":28,"head":30,"rows":34},"table",[29,29,29],null,[31,32,33],"维度","Wi-Fi","移动数据",[35,39,43,47],[36,37,38],"谁在管这条线路","路由器和宽带运营商，公司\u002F校园网还多一层内部管理","手机信号基站和移动运营商",[40,41,42],"常见的限制方式","路由器防火墙规则、内网流量审计、公共 Wi-Fi 的门户拦截","套餐条款里的流量管理、部分基站信号本身不稳定",[44,45,46],"你能自己改动的范围","能进路由器改设置，公司网络通常改不了","基本改不了，只能换套餐或者换运营商",[48,49,50],"遇到问题先试什么","重启路由器、换成手机热点对照测试","切换到 Wi-Fi 对照测试，或者检查网络设置里的 APN",{"type":7,"html":52},"看这张表能发现一个规律：Wi-Fi 出问题时，你往往有路可管（改路由器设置）；移动数据出问题时，能做的动作很有限，大多只能验证是不是运营商那一侧的策略，自己动不了。这也是为什么同样是「一边不行」，Wi-Fi 那边通常能自己解决，移动数据那边更多时候只能确认原因、绕开使用，而不是真正修好。",{"type":12,"id":54,"html":55},"bp-wifi-fails","如果是 Wi-Fi 不行",{"type":57,"items":58},"steps",[59,63],{"title":60,"body":61},"怎么确认",[62],"先看这个 Wi-Fi 是哪种性质：家用、公司、学校还是完全公开的场所 Wi-Fi。公司和校园网出问题的概率明显更高，因为管理方通常会主动限制加密协议或者未知流量，这是网络管理的常规手段，不是针对某一个具体产品。公开场所的 Wi-Fi 则常见需要先登录门户页才能正常联网，没跳转成功之前，所有加密流量都会被卡住，表现很像「VPN 连不上」，其实和 VPN 完全无关。",{"title":64,"body":65},"怎么处理",[66],"先确认门户页登录完成——很多公开 Wi-Fi 要求先跳一个网页确认，没跳完之前所有加密流量都会被挡住，这和 VPN 没关系，跳完门户页多数就恢复正常了。如果是家用路由器，检查是否开启了额外的安全模式或者家长控制一类的功能，临时关闭测试一次，改完记得测试后再决定要不要恢复。公司或校园网的限制通常不是你能单方面解决的，能做的更多是确认「是不是真的被限制了」而不是「怎么绕开」，具体分析见\u003Ca href=\"\u002Fblog\u002Fvpn-blocked-by-network\u002F\">公司或校园网把 VPN 拦了怎么办\u003C\u002Fa>。",{"type":12,"id":68,"html":69},"bp-data-fails","如果是移动数据不行",{"type":57,"items":71},[72,75],{"title":60,"body":73},[74],"先看是所有 App 都受影响，还是只有需要加密连接的功能受影响——如果只是加密流量走不通，其他 App 正常，说明基站或者套餐层面对这类流量有额外处理，而不是完全没有信号。信号格数满、能刷网页、能收发消息，但 VPN 连不上或者连上就断，是这种情况比较典型的表现。",{"title":64,"body":76},[77],"尝试手动切换网络模式（比如在 4G 和 5G 之间切一下）或者重启一次移动数据，有时候能绕开基站临时的异常状态，这类问题往往是暂时的，换个基站信号覆盖范围就恢复了。如果持续只有移动数据不行，且不同时间、不同地点测试结果一致，说明不是某个基站临时的问题，而是套餐或者运营商策略层面的东西，值得查一下套餐条款里有没有关于加密流量的说明，这不是客户端能解决的层面，换节点、换客户端都不会有用。",{"type":79},"downloads",{"type":12,"id":81,"html":82},"bp-both-different","两边都能连，但表现不一样",{"type":7,"html":84},"还有一种情况不是「一边完全不行」，而是两边都能连，但速度、稳定性明显不一样——比如 Wi-Fi 下很流畅，移动数据下经常卡顿，或者反过来。这不属于「不工作」，原因通常是两条线路当下的带宽和拥堵程度本来就不同，和前面讲的限制类问题是两件事，不需要按上面的排查方向去查，方向查错了只会浪费时间。",{"type":7,"html":86},"判断的关键是「能不能连上」和「连上以后好不好用」是两个独立的问题：前者答案不同才是这篇要处理的情况，后者答案不同属于正常的网络质量差异，家里的固定宽带和手机基站本来就不是同一个等级的线路，尤其是移动数据在信号一般的地方，本来就比稳定的家用宽带波动更大。",{"type":7,"html":88},"这种情况按速度问题排查更合适，\u003Ca href=\"\u002Fblog\u002Fvpn-slow-speed-fixes\u002F\">VPN 速度慢：先查这六个地方\u003C\u002Fa>里的六个检查点同样适用，只是要分别在两种网络下各测一次再比较，而不是假设两边应该完全一样快。如果是看视频时更明显，\u003Ca href=\"\u002Fblog\u002Fvideo-buffering-with-vpn\u002F\">视频一直缓冲：画质、线路还是设备\u003C\u002Fa>里有更针对性的判断方法。",{"type":12,"id":90,"html":91},"bp-final","总结",{"type":7,"html":93},"一种网络能用、另一种不行，先确认现象本身、用第三条网络（手机热点）交叉验证，再分别按 Wi-Fi 和移动数据各自的排查方向处理——两条线路的管理方式完全不同，混在一起猜只会浪费时间。如果两边都能连只是表现不一样，那是速度问题，不是这篇讲的这种「不工作」。",{"type":7,"html":95},"减少这类麻烦最实际的办法，是让客户端自己适应不同的网络环境，而不是每换一个地方就要重新设置一遍。\u003Ca href=\"\u002Ffeatures\u002F\">快橙\u003C\u002Fa>在 Wi-Fi 和移动数据之间切换不需要手动调整设置，注册后每天有免费试用时长，可以直接拿它把家里、公司、移动数据这几种常用网络都测一遍，提前知道哪种环境下最稳，出门在外遇到问题时也能更快判断该切换到哪一种。长期只有某一类网络不行，把具体场景、试过的排查步骤告诉\u003Ca href=\"\u002Fcontact\u002F\">客服\u003C\u002Fa>，会比自己每次重新排查更快得到答案。",[97,100,103,106,109],{"q":98,"a":99},"公司或学校的 Wi-Fi 特别容易出这个问题吗？","是的。公司和校园网通常会做额外的流量管理，对识别出的加密协议限制更严格，比家用宽带更容易出现只有 Wi-Fi 不行的情况，具体见\u003Ca href=\"\u002Fblog\u002Fvpn-blocked-by-network\u002F\">公司或校园网把 VPN 拦了怎么办\u003C\u002Fa>。",{"q":101,"a":102},"换成移动数据就能用，是不是说明 Wi-Fi 有问题？","大概率是。移动数据能用说明账号和客户端本身没问题，问题出在那一条 Wi-Fi 线路的管理方式上。换一个 Wi-Fi，比如手机热点，再测一次能进一步确认。",{"q":104,"a":105},"家里 Wi-Fi 也不行，只有热点能用，是为什么？","家用路由器如果开启了额外的安全设置，或者被宽带运营商加了限制，也会出现和公司网络类似的情况。先确认路由器有没有被改过设置，再考虑联系宽带运营商。",{"q":107,"a":108},"流量套餐会不会限制 VPN 使用？","取决于具体套餐，少数套餐条款里确实会对特定类型的加密流量做限制或降速。遇到长期只有移动数据不行的情况，值得翻一下套餐细则确认，而不是只怀疑客户端。",{"q":110,"a":111},"两边都能连但速度差很多，正常吗？","正常，两条线路的运营方、带宽和当前拥堵情况本来就不一样。速度问题的具体排查见\u003Ca href=\"\u002Fblog\u002Fvpn-slow-speed-fixes\u002F\">VPN 速度慢：先查这六个地方\u003C\u002Fa>。",{"blocks":113,"faq":191},[114,116,118,120,122,124,126,128,130,152,154,156,166,168,176,177,179,181,183,185,187,189],{"type":7,"html":115},"Same account, same phone: it works fine on Wi-Fi and fails the moment you switch to mobile data — or the other way around, working fine out and about and then failing the second you get home and join Wi-Fi. This kind of "fine on one, broken on the other" pattern already rules out the account and the client itself: there is only one account, the client has not changed, and it works correctly on at least one network, so the problem lives in the specific network environment, not in broken software.",{"type":7,"html":117},"The real cause sits in how differently Wi-Fi and mobile data are managed: one is run by a router and a broadband provider, the other by a cell tower and a mobile carrier, and what each side restricts, and how much, has never followed the same rulebook. This article gives a thirty-second way to pin down which side is at fault, then covers the most common cause on each side separately. The rule still applies: change one condition at a time. Change the network, the node and settings all together, and even once it starts working again, you will not know which change actually did it.",{"type":12,"id":13,"html":119},"Figure out which side is at fault first",{"type":7,"html":121},"The first step is always confirming the symptom itself: test each network on its own once, to make sure it really is "only one side fails," rather than both being a little off to different degrees, or a single test just catching a random blip.",{"type":7,"html":123},"Once that is clear — say Wi-Fi will not load anything at all while mobile data works fine — add one more step: turn on the phone's hotspot and connect a computer or another device to it. This separates two variables that otherwise get tangled together, "type of network" and "this specific connection": if the hotspot fails too, the problem more likely sits with the device or the account rather than Wi-Fi itself; if the hotspot works fine, that fairly reliably confirms this particular Wi-Fi has a targeted restriction, rather than "Wi-Fi in general" being the problem.",{"type":7,"html":125},"This step matters because "Wi-Fi" is not one single thing: home Wi-Fi, office Wi-Fi and a coffee shop's Wi-Fi are three completely different connections behind the same label, each restricted in its own way. Skip the hotspot cross-check and it is easy to mistake "this one Wi-Fi has a problem" for "Wi-Fi as a network type has a problem," and the next Wi-Fi you try somewhere else can flip the conclusion entirely.",{"type":12,"id":22,"html":127},"What actually differs between Wi-Fi and mobile data",{"type":7,"html":129},"The two routes differ completely, both in how they are managed and in how much you can personally change, which is exactly why the same client, on the same account, behaves differently on each.",{"type":27,"align":131,"head":132,"rows":135},[29,29,29],[133,32,134],"Dimension","Mobile data",[136,140,144,148],[137,138,139],"Who manages this route","The router and the broadband provider, plus an extra layer of internal management at an office or school","The cell tower and the mobile carrier",[141,142,143],"Common ways it gets restricted","Router firewall rules, internal traffic inspection, a public Wi-Fi's portal block","Traffic management written into the plan's terms, or a tower's signal simply being unreliable",[145,146,147],"How much you can change yourself","You can get into the router's settings; usually not on a corporate network","Essentially nothing: your options are switching plans or carriers",[149,150,151],"What to try first","Restart the router, or cross-check with a phone hotspot","Cross-check with Wi-Fi, or check the APN in network settings",{"type":7,"html":153},"One pattern falls out of this table: when Wi-Fi is the problem, you usually have a lever to pull (the router's settings); when mobile data is the problem, your options are limited, and mostly amount to confirming whether it is the carrier's policy rather than actually being able to change anything. That is also why "one side fails" tends to be something you can fix yourself on the Wi-Fi side, while on the mobile-data side the most realistic outcome is often confirming the cause and working around it rather than truly fixing it.",{"type":12,"id":54,"html":155},"If Wi-Fi is the one that fails",{"type":57,"items":157},[158,162],{"title":159,"body":160},"How to confirm it",[161],"Start by identifying what kind of Wi-Fi this is: home, office, school, or a fully public venue network. Office and campus networks fail far more often, because whoever manages them typically restricts anything identifiable as an encrypted protocol or unknown traffic, a routine network-management practice rather than something aimed at any specific product. Public venue Wi-Fi commonly needs a portal login before it will pass real traffic; until that login completes, all encrypted traffic gets blocked, which looks exactly like "the VPN will not connect" while having nothing to do with the VPN at all.",{"title":163,"body":164},"How to fix it",[165],"Confirm the portal login actually completed first: plenty of public Wi-Fi networks require clicking through a page before anything else works, and until that happens all encrypted traffic gets blocked regardless of the VPN. Completing it usually fixes everything at once. On a home router, check whether an extra security mode or a parental-control feature is switched on, and disable it temporarily to test. Test again before deciding whether to turn it back on. A corporate or campus restriction is usually not something you can unilaterally fix; the most realistic goal is confirming whether it is really being restricted rather than finding a way around it. \u003Ca href=\"\u002Fen\u002Fblog\u002Fvpn-blocked-by-network\u002F\">What to do when an office or campus network blocks a VPN\u003C\u002Fa> covers this in more depth.",{"type":12,"id":68,"html":167},"If mobile data is the one that fails",{"type":57,"items":169},[170,173],{"title":159,"body":171},[172],"Check whether every app is affected, or only the features that need an encrypted connection: if only encrypted traffic fails to get through while every other app works fine, that points at the tower or the plan handling that kind of traffic differently, not a lack of signal. Full signal bars, pages loading, messages sending and receiving normally, but the VPN either will not connect or drops right after — that combination is the typical shape of this cause.",{"title":163,"body":174},[175],"Try manually switching network mode (between 4G and 5G, for instance) or toggling mobile data off and on; this sometimes gets around a tower's temporary bad state, and this kind of problem is often transient, clearing up once you move into a different tower's coverage. If mobile data alone keeps failing consistently across different times and different locations, that points away from a temporary tower issue and toward something at the plan or carrier-policy level, worth checking the plan's terms for anything about encrypted traffic; this is not something the client can fix, and switching nodes or clients will not help either.",{"type":79},{"type":12,"id":81,"html":178},"Both connect, but they behave differently",{"type":7,"html":180},"There is another case that is not "one side fails outright" but both connecting while speed and stability clearly differ — smooth on Wi-Fi, frequently choppy on mobile data, or the reverse. This is not "not working"; the cause is usually that the two routes simply have different bandwidth and congestion right now, a different problem from the restrictions covered above, and chasing it with the same troubleshooting only wastes time.",{"type":7,"html":182},"The key distinction is that "does it connect" and "how good is it once connected" are two separate questions. This article is about the first one giving a different answer on each side. A different answer to the second one is normal variation in network quality — home broadband and a phone tower are simply not the same tier of connection, and mobile data in an area with mediocre signal is always going to be less consistent than stable home broadband.",{"type":7,"html":184},"This case is better handled as a speed problem: the six checks in \u003Ca href=\"\u002Fen\u002Fblog\u002Fvpn-slow-speed-fixes\u002F\">VPN running slow: check these six things first\u003C\u002Fa> apply just as well here, just test each network separately and compare rather than assuming both sides should be equally fast. If it shows up more clearly while watching video, \u003Ca href=\"\u002Fen\u002Fblog\u002Fvideo-buffering-with-vpn\u002F\">Video keeps buffering: quality, route or device\u003C\u002Fa> has a more targeted way to tell them apart.",{"type":12,"id":90,"html":186},"In summary",{"type":7,"html":188},"When one network works and the other does not, confirm the symptom itself first, cross-check with a third network — a phone hotspot — and then work through the Wi-Fi or mobile-data direction that actually applies. The two routes are managed in completely different ways, and guessing across both at once just wastes time. If both connect and only their behaviour differs, that is a speed problem, not the kind of "not working" this article covers.",{"type":7,"html":190},"The most practical way to run into this less is to let the client adapt to different networks on its own, instead of reconfiguring something every time you change location. \u003Ca href=\"\u002Fen\u002Ffeatures\u002F\">FastOrange\u003C\u002Fa> does not need manual adjustment when switching between Wi-Fi and mobile data. Every registered account gets free trial time daily, enough to test home, office and mobile data — the networks you actually use — ahead of time, so you already know which one holds up best before you are out somewhere relying on it. If one type of network keeps failing over the long run, telling \u003Ca href=\"\u002Fen\u002Fcontact\u002F\">support\u003C\u002Fa> the specific situation and what you have already tried gets you an answer faster than troubleshooting it yourself again each time.",[192,195,198,201,204],{"q":193,"a":194},"Are office or school Wi-Fi networks especially prone to this?","Yes. Corporate and campus networks usually run extra traffic management and clamp down harder on anything they can identify as an encrypted protocol, so a Wi-Fi-only failure shows up there more than on home broadband. See \u003Ca href=\"\u002Fen\u002Fblog\u002Fvpn-blocked-by-network\u002F\">What to do when an office or campus network blocks a VPN\u003C\u002Fa> for more.",{"q":196,"a":197},"It works fine on mobile data. Does that mean Wi-Fi is the problem?","Most likely, yes. Mobile data working means the account and the client itself are fine, and the problem sits with how that particular Wi-Fi is managed. Testing a different Wi-Fi — a phone hotspot, for instance — confirms it further.",{"q":199,"a":200},"Even my home Wi-Fi does not work, only the hotspot does. Why?","A home router with extra security settings enabled, or restrictions added by the broadband provider, can produce something that looks like a corporate network. Check whether the router's settings have been changed before contacting your provider.",{"q":202,"a":203},"Could my data plan restrict VPN use?","It depends on the plan. Some plans genuinely do restrict or throttle specific kinds of encrypted traffic in their terms. If mobile data alone keeps failing over a long period, it is worth checking the plan's terms rather than only suspecting the client.",{"q":205,"a":206},"Both work but speed differs a lot between them. Is that normal?","Yes, the two routes have different operators, different bandwidth, and different congestion at any given moment. For how to work through a speed problem specifically, see \u003Ca href=\"\u002Fen\u002Fblog\u002Fvpn-slow-speed-fixes\u002F\">VPN running slow: check these six things first\u003C\u002Fa>.",1793276291384]