Short answer: buy an international travel eSIM before you fly, not a local Chinese SIM. A travel eSIM connects to Chinese towers as a roaming line, so Google, WhatsApp and Instagram usually open without a VPN. I used a Trip.com eSIM for mainland China, Hong Kong and Macau, and everything I needed worked on mobile data. That included Sanya on Hainan Island.
Checked November 2026. eSIM plans and rules change often, so read the current listing before you pay.
Affiliate disclosure: this article contains affiliate links. If you buy through one of them, I earn a small commission at no extra cost to you.
See the eSIM I used on Trip.com →
eSIM in China: quick answers
| Question | Answer |
|---|---|
| Can tourists get a Chinese eSIM? | Not easily. Chinese carriers activate eSIMs in their own stores, with an ID check. For iPhones, Apple says this works only on certain models sold in mainland China. Visitors buy an international travel eSIM instead. |
| Does a travel eSIM work without a VPN? | Usually, yes. Roaming data leaves China through a gateway outside the mainland. Mine opened Google, WhatsApp, Instagram and Telegram with no VPN. |
| Does hotel Wi-Fi work the same way? | No. Hotel, café and airport Wi-Fi are local networks, so blocked apps stay blocked there. |
| Do I need a separate eSIM for Hainan? | No. Hainan is part of mainland China coverage. My plan worked in Sanya. |
| What’s the one setting people miss? | Data Roaming on the travel eSIM line. I missed it on my first trip. |
Why a travel eSIM and not a local SIM
When you buy a local SIM in China, you join the local internet with all its restrictions. Google, WhatsApp, Instagram and many other foreign services don’t open there. The same happens on Wi-Fi in hotels and airports.
A travel eSIM works like roaming. Your phone connects to a Chinese mobile network, but the data goes out to the internet through another region. The current Trip.com listing for the plan I used names CTM, a Macau carrier, as the provider.
Before my first trip I thought the eSIM had a VPN hidden inside it. It doesn’t. You don’t pick Macau anywhere in your phone settings and you don’t change your iPhone region. The routing comes from the plan itself.
That is also why I don’t recommend buying the first card that says «eSIM China». Check what the listing says about coverage and routing, or use one that someone you trust has tested.
Does it really work without a VPN?
On mobile data through my eSIM, yes. This is what worked for me:
| Service | On my travel eSIM |
|---|---|
| Opened without a VPN | |
| Opened without a VPN | |
| Opened without a VPN | |
| Telegram | Opened without a VPN |
| Alipay, DiDi, Amap, Trip.com | Worked on mobile data |
| Banking apps from home | Worked, and SMS codes reached my home number |
I’d still keep the three situations apart:
- Travel eSIM data. Your usual apps can open without a VPN. That was my experience.
- Hotel, café or airport Wi-Fi. You’re on a local network now, and the list of sites that open can change.
- A local SIM card. Local network rules apply.
If your work depends on the internet (video calls, company systems), don’t rely on one connection only. We once tried the first VPN we found. It worked at first and then stopped connecting. I don’t name or recommend any VPN, because I can’t promise one will work on the day you travel.
One more thing: a working connection doesn’t switch off your bank’s security. An app may ask you to log in again or send a code because it sees a new country. So check your passwords at home and keep your home number able to receive SMS.
Which eSIM I chose for China
I bought a Mainland China / Hong Kong / Macau eSIM on Trip.com. I took the biggest daily plan and shared the connection as a hotspot with three other devices.
The plan’s name is easy to misread. It was called «100GB per day», but in the detailed terms of my plan Trip.com described it as unlimited data at a constant speed of up to 10 Mbps. That’s how I used it: a big plan where I didn’t count every gigabyte, not 100GB of high-speed data every day. Plan names and speeds change, so check the current terms under the plan name before you buy.
What I liked most: after landing I didn’t have to look for a carrier counter or explain anything in Chinese. I switched off Airplane Mode and could open my booking, call a DiDi and message my family.
What the listing said when I checked it in November 2026:
- Coverage: mainland China (China Mobile, China Unicom), Hong Kong (CSL, SmarTone), Macau (CTM).
- Data only. No phone number, no calls, no SMS.
- Hotspot and tethering: supported.
- Day passes or total data packages. One «day» equals 24 hours from activation.
- Installation: you can install it in advance. The plan starts when it activates after you arrive.
- The QR code stays valid for 30 days from the booking date.
I’m not saying every eSIM on Trip.com will behave the same way. Before buying, I check four things every time: coverage, access to foreign services, activation rules and hotspot support.
Check current Trip.com eSIM plans for China →
How much data do you need?
This is how I’d choose:
| How you’ll use it | What I’d pick |
|---|---|
| Maps, DiDi, Alipay, messaging | 2 GB per day |
| Social media and sending photos every day | 2–3 GB per day |
| Video, cloud backups, working on a laptop | A big daily plan or a large total package |
| Sharing with other devices | A big plan with hotspot support |
A hotspot uses data faster than you’d expect. The laptop decides to sync its cloud, another phone starts updating apps, someone plays a video, and it all comes out of one plan. Before my trip I turned off automatic updates and backups over mobile data.
How to install and activate an eSIM for China
Here’s how I do it: I buy and install the eSIM at home, then switch it on at the gate just before boarding. With the Trip.com plan I used, the day count starts only when the eSIM activates on arrival in China, so switching it on at the gate doesn’t eat into your days.
Why install at home? Installing needs a stable internet connection. In China, hotel Wi-Fi may not open the seller’s site, and you won’t have Google to search for help.
Why not activate days early? A woman once wrote to me after she had switched her eSIM on too early. Her plan’s clock had started and the trip hadn’t. She asked if she could pause it. She couldn’t. Other plans may start at installation or at first connection, so your own order instructions are what count.
Before you buy: check your phone
- Your phone supports eSIM. Check the exact model with your eSIM provider. Some iPhone models sold in mainland China have no eSIM at all.
- Your phone is carrier-unlocked. On iPhone, go to Settings → General → About and look at Carrier Lock.
- No eSIM support? Physical adapter cards such as 5ber or eSIM.me let some phones load eSIM profiles. Compatibility depends on the phone and the card, so test it at home, never at the airport.
Install on iPhone
- Connect to stable Wi-Fi.
- Open Settings → Cellular (Mobile Data) → Add eSIM.
- Scan the QR code, or enter the SM-DP+ address and activation code from your order. Trip.com also offers in-app installation: Account → All Bookings → Install.
- Give the new line a clear name, like «China». You’ll thank yourself later.
- Save the order, the QR code and the instructions offline.
Install on Android (Samsung, Pixel)
- Connect to stable Wi-Fi.
- Samsung: Settings → Connections → SIM manager → Add eSIM → Scan QR code. Pixel: Settings → Network & internet → SIMs → Add SIM → Set up an eSIM.
- Scan the QR code or enter the activation code manually.
- Restart the phone if it asks you to.
Menu names vary by phone model and Android version.
Don’t post your QR code in screenshots or send it to anyone. It’s the key to installing your plan.
After you land: the settings that matter
On iPhone:
| Setting | What to choose |
|---|---|
| Cellular Data | The travel eSIM |
| Data Roaming on the travel eSIM | On |
| Data Roaming on your home SIM | Off |
| Home line | On, if you need SMS codes |
| Allow Cellular Data Switching | Off |
On Android, set the travel eSIM as the mobile data SIM in SIM manager (Samsung) or under Network & internet → SIMs (Pixel), and turn on roaming for that eSIM.
Where to find the Data Roaming switch
Menu names vary by phone model and software version. If you can’t find the switch, search for «roaming» in Settings.
My mistake: I landed and had no internet
On my first trip I was sure I’d set everything up perfectly. We landed in Haikou, I switched off Airplane Mode, and nothing happened.
I restarted the phone, checked the eSIM, turned Airplane Mode on and off. Still nothing. So I went to the airport Wi-Fi terminal, where you scan your passport and get a Wi-Fi login and password.
The problem turned out to be one small switch: Data Roaming on the travel eSIM line. A travel eSIM joins the Chinese network as a roaming line. Without that permission the phone sees the line but sends no data through it. I flipped the switch and the internet came on at once. I lost two hours on that.
After 51 days in China, I can say there are far more fears about the Chinese internet than real problems.
eSIM connected but no internet? Check this
- The eSIM line is turned on.
- The eSIM is selected for mobile data.
- Data Roaming is on for the eSIM.
- Airplane Mode on for 30 seconds, then off. Wait a few minutes.
- Restart the phone.
- Only then check the APN in your order instructions. My listing gives
ctm-mobile, but take the value from your own order rather than copying mine. - Still nothing? Contact the eSIM provider’s support from your order page.
Don’t delete the eSIM in a panic. Reinstalling is limited. The listing I checked allows it only on the same device and only while the QR code or the plan is still valid. Other providers may not allow it at all.
What about hotel Wi-Fi in China?
I used hotel Wi-Fi, but I never relied on it alone. Sometimes it’s slow. Sometimes you need a Chinese phone number to log in. And sometimes it doesn’t open what works fine on the eSIM.
So everything important (taxis, maps, payments, bookings) runs on my eSIM. I join Wi-Fi to download something big or to work on a laptop. If an app suddenly stops loading, turn Wi-Fi off and try again on mobile data. Very often the problem is the hotel network, not the app.
Before you pay: checklist
- Mainland China is in the coverage.
- The listing says how the data is routed.
- You know when the plan starts: at installation, at activation or at first connection.
- You know how much high-speed data you get.
- Hotspot is allowed, if you need it.
- Your phone supports eSIM and is unlocked.
- You know where to contact support if it doesn’t connect.
Save offline whatever you’ll need in your first hours: your hotel address in Chinese, your booking, your route from the airport and the support contacts. The internet usually comes on right away. My first landing showed me why a plan B still matters.
Choose your eSIM for China on Trip.com →
FAQ
What is the best eSIM for China?
One that routes data outside mainland China, covers the mainland, supports hotspot if you need it, and gets installed before you fly. I used the Trip.com eSIM for mainland China, Hong Kong and Macau, and Google, WhatsApp and Instagram worked on it without a VPN.
Do I need a VPN in China if I have an eSIM?
On my travel eSIM I didn’t. Roaming data leaves China through a gateway outside the mainland, so blocked apps usually open. On hotel, café or airport Wi-Fi and on a local Chinese SIM, they usually don’t.
When should I activate my eSIM for China?
I install it at home and switch it on at the gate before boarding, so it’s ready when I land. With the Trip.com plan I used, the day count starts only when it activates on arrival. Some other plans start at installation, so check your plan’s rules.
Why is my eSIM not working in China?
Most often Data Roaming is off on the eSIM line, or the wrong line is selected for mobile data. Turn roaming on for the eSIM, toggle Airplane Mode, restart, and only then check the APN from your order.
Can I use a hotspot with a China eSIM?
With my plan, yes. I shared it with three other devices. Every device uses the same plan, so pick a big one.
Does a China eSIM work in Hainan, Hong Kong and Macau?
Hainan is part of mainland China coverage, and my eSIM worked in Sanya. Hong Kong and Macau are separate networks, so pick a plan that lists them. Mine covered mainland China, Hong Kong and Macau.
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