The thing nobody tells you
Your phone stops working the way you expect the moment you land. Not catastrophically — just differently. The apps you reach for by reflex don’t load, the map shows a blank grid, and the café Wi-Fi asks for a local number you don’t have. Plan for it and it’s a non-event. Wing it and your first evening is a Wi-Fi scavenger hunt. The good news is that getting connected is easy once you know the few things that matter. Here’s the practical setup that’s worked for me across a dozen trips.
SIM or eSIM on arrival
At the airport there are carrier kiosks selling tourist SIMs with a few gigabytes of data, valid for a set number of days, and the staff will register them for you on the spot. Bring your passport — registration is required by law, and they’ll need the physical document, not a photo. A typical tourist package runs roughly 30–100 yuan depending on the data allowance and validity: expect around 10 GB for 7 days, or 20–30 GB for a month, topped up inside the carrier’s own app.
If your phone supports eSIM, that’s the cleaner route: buy before you fly from a travel eSIM provider, scan the code at home, and you’re online the second you land with no kiosk queue and no passport photocopy handed to a counter. Many plans now bundle a mainland number you can receive verification texts on, which helps with hotel bookings. Either way, get data sorted before you leave the terminal, because the first thing you’ll want to do is open a map.
The three carriers
China Mobile, China Unicom, and China Telecom all sell tourist packages, and coverage is solid across all three in cities and along the main rail lines. Unicom and Telecom tend to play nicest with foreign phones, while Mobile has the widest rural reach if you’re heading somewhere remote. Most modern phones cover China’s key frequencies, but if you’re carrying an older device, check it supports the common 4G bands before you rely on it. I’ve had 5G in downtown Chengdu that beat home broadband, and a single weak bar in a mountain county — both are normal.
For most visitors the difference between carriers is marginal; pick whichever desk is shortest at the airport. A 10–15 GB package for a couple of weeks is plenty unless you’re uploading video daily, in which case top up through the carrier app or switch to hotel Wi-Fi for the big uploads.
The practical reality of internet access
Be practical here. Many sites and apps you use daily at home don’t load the same way, and you’ll lean on local alternatives instead — which is fine, because those local apps are genuinely better for China. The fix most travelers use is a VPN installed and tested before departure: set it up on home Wi-Fi, confirm it connects, then forget about it. Don’t try to download one from inside the country; that part is harder once you’re there, and the app stores behave differently. I keep one paid VPN and a backup, because no single service is perfect, and a dead connection on a travel day is annoying.
Apps you’ll actually open
- Maps: Baidu or Amap (Gaode). Google Maps is patchy; Amap got me through every city, with bus and metro times that are accurate. Screenshot key addresses in Chinese characters before you set out.
- Translate: Baidu Translate or your phone’s built-in camera translate. Point it at a menu or a sign; it works surprisingly well, and the voice mode lets you hold a basic conversation with a taxi driver.
- Pay: Alipay, with the tourist function bound to a foreign card, covers trains, taxis, street food, and most shops — basically everything. WeChat Pay is a close second. Set up Alipay before you fly.
- Rides and food: DiDi for taxis (safer than hailing) and Meituan for local delivery; both sit inside the same app ecosystem you’ll already be using.
- Transit: the metro apps for each city, or Alipay’s transit code, let you tap in without a paper ticket. This alone removes most daily friction, because you stop fumbling for cash at the gate.
Portable Wi-Fi as a fourth option
If you’re traveling as a group, a rented portable Wi-Fi (MiFi) unit shares one data plan across several devices and is picked up and returned at the airport. The trade-off is another gadget to keep charged. For a solo traveler a SIM or eSIM is simpler; for a family the MiFi can undercut buying separate plans.
Wi-Fi is easy; data is the point
Hotels and cafés have fine Wi-Fi, so why bother with a SIM? Because you’ll want maps on a random street at 9pm, or to call a ride from a temple car park with no lobby signal, or to message your hotel when you’re lost in a hutong. Mobile data is the glue that holds the day together. Get a SIM or eSIM and treat Wi-Fi as backup, not the other way around. Hotel Wi-Fi is also the place to do your big uploads and video calls, since the data cap is real on tourist plans.
One security note
Public Wi-Fi in China is no more or less risky than elsewhere — use a bank app over cellular rather than a café network, and turn on your phone’s auto-updates only when on trusted Wi-Fi so you’re not burning data. A VPN also encrypts your traffic, which is its own quiet benefit on shared networks. None of this is paranoia; it’s just the same hygiene you’d use in any airport lounge. Keep a screenshotted copy of your hotel’s address too, so a dead battery doesn’t strand you.
If you’re working on the road
For those staying productive as a remote worker, the same setup scales: a solid data plan plus a VPN you trust, and you can run a video call from most city hotels, where upload speeds are good. Just don’t expect it from a mountain guesthouse or a slow train, and tell colleagues you may drop off a call. Build the connection questions into your pre-trip checklist so day one isn’t spent fighting Wi-Fi when you should be seeing the city.
The short version: eSIM or airport SIM with your passport, a VPN tested at home, Alipay bound, Amap downloaded. Do those four things and China feels connected, not cut off — and you stop thinking about the phone and start looking at the place.