Why can an eSIM work when hotel Wi-Fi does not?

Many travel eSIMs connect you through a network abroad, so Google and WhatsApp work. Once you join hotel Wi-Fi, your phone switches to the hotel’s local Chinese internet and stops using the eSIM. Need Google? Just turn Wi-Fi off.

How do I get China apps and Google working at the same time?

Turn on smart mode in your VPN app so WeChat, Alipay and maps connect directly while Google and WhatsApp go the overseas way. Open your everyday apps after setup to check both sides.

If WeChat works, will Google work too?

Not necessarily. WeChat is a Chinese app and works on any connection; Google and WhatsApp depend on which connection you’re using. The easy way to know is to open both.

Do I need a VPN, and which kind?

Most visitors don’t — a travel eSIM is enough. Only consider one if you want Google on hotel Wi-Fi too. A ready-made route is run by the provider: buy it, paste one link, done. Your own server is more flexible but you set it up and fix it yourself, so it suits technical travellers.

ROAMCHINA/BEFORE YOU GO / THE GUIDE

Get online before you arrive.

Some apps and sites are hard to reach once you land. While your home internet still works, install a travel eSIM and your everyday apps, then tick them off.

Open the 9-item checklist ↓Trouble after landing ↗

Understand the cost. Follow the connection.

Will my usual VPN work in China? ↗

Phone ready for China

Do these before you fly, while your usual internet still works.

0 of 9 done

01Install a travel eSIM that opens GooglePick a plan that says Google and WhatsApp work in China. Install it before you fly and switch it on when you land. No eSIM support? Ask your carrier about China roaming.Open eSIM steps ↗
02Add your card to AlipayDownload Alipay, sign up with your phone number and add a Visa or Mastercard. Most shops, taxis and metro gates accept it. Verify your passport in the app if asked.
03Set up WeChat and WeChat PaySign up before you fly; a new account may need a friend to confirm it. Add your card under Me › Services › Wallet. Hotels, guides and new friends will message you here.
04Install a China map appGoogle Maps data is thin in China. Amap or Apple Maps work better for walking, metro and buses. Save your hotel address in Chinese.
05Get a ride-hailing appDiDi has an English interface and accepts foreign cards. You can also book DiDi inside Alipay without another account.
06Download Chinese for offline translationIn Apple Translate or Google Translate, download Chinese for offline use. Online, Google Translate needs an overseas route.
07Know how to book trainsBook on Trip.com or the official 12306 app. Your passport is your ticket at the gate, so keep it with you.
08Decide what to do on hotel Wi-FiHotel Wi-Fi does not open Google, and an eSIM does not change that. Turn Wi-Fi off when you need overseas apps, or prepare an overseas route.Plan hotel Wi-Fi ↗
09Keep offline copiesScreenshot your hotel address in Chinese, your bookings and a passport photo. Bookmark or screenshot the arrival help page too.Open arrival help ↗

Ticks are your own notes, saved in this browser. They do not mean a card, account or connection has been verified.

Three more things to check

This guide focuses on mainland China. Hong Kong, Macao and Taiwan have different network environments.

Check your home plan first

Ask your carrier whether roaming works in China, what it costs, how much data you get and whether hotspot works. If it’s good enough, you don’t need to buy more — and keep your home number for verification texts.

Screenshot the essentials

Screenshot your hotel address in Chinese, bookings, contacts, maps and our arrival help steps. Even without internet at the airport, you can show the driver where to go.

Being online isn’t the same as logging in

Sign in to the apps you need at home and check payments work. A site loading doesn’t mean your bank, payment app or work system will let you in.

Phone doesn’t support eSIM? ↗Prepare your apps and payments ↗Test your connection before you go ↗

How the three connections differ

Local Chinese internet

Hotel Wi-Fi and Chinese SIM cards open China apps fine, but Google, WhatsApp and many other overseas services won’t load.

Why a travel eSIM opens Google

Many travel eSIMs connect you through a network abroad, so Google and WhatsApp work. Before buying, check the plan says it supports the apps you need — “covers China” alone isn’t enough.

VPN apps

A VPN app sends overseas apps the overseas way, while WeChat, Alipay and maps connect directly.

What changes with your connection?

Typical examples, not live test results. Your plan and the network on the day can change the outcome.

Typical scenarios by connection type
Your use case	Local Wi-Fi / SIM	Travel eSIM / roaming	Subscription / own node
Local Chinese appsWeChat · Alipay · Maps	Direct connection	Depends on roaming exit	Can be routed direct
International servicesGoogle · WhatsApp · Instagram	Some services restricted	Depends on plan routing	Depends on node availability
Hotel Wi-FiAfter switching networks	Complete Wi-Fi sign-in	Does not route Wi-Fi	Can be used over Wi-Fi
Preparation & upkeepBefore departure	Check access and plan	Check compatibility and activation	Maintain app and configuration

Local Chinese apps

WeChat · Alipay · Maps

Local Wi-Fi / SIM: Direct connection
Travel eSIM / roaming: Depends on roaming exit
Subscription / own node: Can be routed direct

International services

Google · WhatsApp · Instagram

Local Wi-Fi / SIM: Some services restricted
Travel eSIM / roaming: Depends on plan routing
Subscription / own node: Depends on node availability

Hotel Wi-Fi

After switching networks

Local Wi-Fi / SIM: Complete Wi-Fi sign-in
Travel eSIM / roaming: Does not route Wi-Fi
Subscription / own node: Can be used over Wi-Fi

Preparation & upkeep

Before departure

Local Wi-Fi / SIM: Check access and plan
Travel eSIM / roaming: Check compatibility and activation
Subscription / own node: Maintain app and configuration

Smart mode: overseas apps go abroad, China apps connect directly

LOCAL / DIRECT

WeChat · Alipay · Local maps

With smart mode on, WeChat, Alipay and maps connect directly, so they’re usually faster.

GLOBAL / VIA NODE

Google · WhatsApp · Instagram

Google, WhatsApp and other overseas services go through the overseas route. If that route has a problem, they stop loading.

VERIFY / BOTH SIDES

Check both after setup.

Smart mode occasionally guesses wrong. If an app won’t load or is slow, check smart mode is on and try that app again.

See app setup steps ↗

Common questions

Why can an eSIM work when hotel Wi-Fi does not?: Many travel eSIMs connect you through a network abroad, so Google and WhatsApp work. Once you join hotel Wi-Fi, your phone switches to the hotel’s local Chinese internet and stops using the eSIM. Need Google? Just turn Wi-Fi off.
How do I get China apps and Google working at the same time?: Turn on smart mode in your VPN app so WeChat, Alipay and maps connect directly while Google and WhatsApp go the overseas way. Open your everyday apps after setup to check both sides.
If WeChat works, will Google work too?: Not necessarily. WeChat is a Chinese app and works on any connection; Google and WhatsApp depend on which connection you’re using. The easy way to know is to open both.
Do I need a VPN, and which kind?: Most visitors don’t — a travel eSIM is enough. Only consider one if you want Google on hotel Wi-Fi too. A ready-made route is run by the provider: buy it, paste one link, done. Your own server is more flexible but you set it up and fix it yourself, so it suits technical travellers.

YOUR NEXT STOP

Next: choose your plan

Answer a few questions to see the cost and steps.

Find my plan