Using an eSIM is one of the easiest ways to stay connected while traveling in China. Instead of buying a physical SIM card after arrival, you can install your eSIM before departure and start using mobile data once your phone connects to a supported network in China.
With a China eSIM you can use maps, translation apps, hotel bookings, ride-hailing, train tickets, email, messaging apps and browse the web without swapping your primary SIM card.
Quick answer: install your China eSIM before departure, then after arriving select the eSIM for Mobile Data, enable Data Roaming, keep your home SIM for calls if needed and enjoy mobile internet throughout your trip.
Top China eSIMs
How Does a China eSIM Work?
An eSIM is a digital SIM profile that is downloaded directly to your phone. Once installed, it connects to supported mobile networks in China without requiring a physical SIM card.
Your home SIM can remain in your phone for calls and SMS while the China eSIM provides mobile data.
| Feature | China eSIM |
|---|---|
| Physical SIM required | No |
| Install before travel | Yes |
| Keep home SIM | Yes |
| Works after arrival | Yes |
| Supports hotspot | Usually yes |
Before Traveling to China
Before boarding your flight, complete these steps:
- Make sure your phone supports eSIM.
- Confirm that your phone is unlocked.
- Install the China eSIM while connected to WiFi.
- Do not delete the eSIM after installation.
- Keep the QR code and order confirmation.
- Download offline maps.
- Install translation apps.
- Save important travel documents offline.
How to Use a China eSIM After Landing
- Turn off Airplane Mode.
- Open your phone settings.
- Turn ON the China eSIM.
- Select the China eSIM for Mobile Data.
- Enable Data Roaming on the China eSIM.
- Turn OFF Data Roaming on your home SIM.
- Disable Automatic Data Switching.
- Keep Network Selection on Automatic.
- Wait a few minutes for the network connection.
Recommended Settings
| Setting | Recommended Value |
|---|---|
| Mobile Data | China eSIM |
| Calls | Primary SIM |
| SMS | Primary SIM |
| Data Roaming (China eSIM) | ON |
| Data Roaming (Primary SIM) | OFF |
| Automatic Data Switching | OFF |
| Network Selection | Automatic |
| APN | data.esim if required |
APN Settings
Most phones configure APN automatically. If mobile data does not work, create or edit the APN using the following values.
| Field | Value |
|---|---|
| APN | data.esim |
| Username | Leave blank |
| Password | Leave blank |
| Authentication | None |
Can You Keep Your Home SIM?
Yes. Most modern phones support Dual SIM functionality.
- Use the China eSIM for internet.
- Keep your primary SIM for voice calls.
- Receive SMS verification codes.
- Continue using your existing phone number.
- Disable roaming on your home SIM to avoid charges.
Does WhatsApp Work in China?
Your WhatsApp account remains linked to your existing phone number even when using a data-only eSIM.
However, travelers should be aware that some online services and messaging platforms may be subject to local internet restrictions in China. Availability depends on network routing and local regulations.
Can You Use Personal Hotspot?
In most cases, yes. Personal Hotspot allows you to share your China eSIM connection with a laptop, tablet or another phone.
Remember that hotspot usage consumes data much faster than normal phone usage.
Typical Data Usage
| Activity | Estimated Data |
|---|---|
| Maps | 5–10 MB/hour |
| Messaging | Very Low |
| Low | |
| Translation apps | Low |
| Social media | 100–300 MB/hour |
| Video streaming | 0.5–3 GB/hour |
| Video calls | 250 MB–1.5 GB/hour |
Recommended Data Plans
| Trip | Recommended Data |
|---|---|
| Weekend | 3–5 GB |
| One week | 5–10 GB |
| Two weeks | 10–20 GB |
| Business trip | 20 GB+ |
| Remote work | 20 GB+ with WiFi |
Coverage in China
Mobile data generally performs very well in major destinations including:
- Beijing
- Shanghai
- Guangzhou
- Shenzhen
- Chengdu
- Xi’an
- Hangzhou
- Suzhou
Coverage may become weaker in mountains, deserts, remote villages and parts of western China.
Common Problems
- Data Roaming is disabled.
- The wrong SIM is selected for Mobile Data.
- APN settings are missing.
- Automatic Data Switching is enabled.
- The phone is carrier locked.
- The phone does not support eSIM.
- The eSIM profile was deleted.
- Weak signal in remote areas.
How to Fix Mobile Data Problems
- Restart your phone.
- Toggle Airplane Mode for 30 seconds.
- Verify the China eSIM is selected.
- Enable Data Roaming.
- Check APN settings.
- Keep Network Selection on Automatic.
- Move to an open area.
- Wait several minutes after landing.
Travel Tips
- Install your eSIM before departure.
- Keep your QR code until the trip ends.
- Carry a power bank.
- Download offline maps.
- Save hotel addresses offline.
- Keep important tickets on your phone.
- Monitor your remaining data.
- Use hotel WiFi for large downloads.
Related Guides
- China eSIM
- Install China eSIM
- How to Activate China eSIM
- China eSIM for iPhone
- China eSIM for Android
- Phone Compatibility
- APN Settings
- eSIM Troubleshooting
FAQ
Can I use an eSIM throughout China?
Yes. A China eSIM works anywhere your supported partner network has coverage.
Do I need to remove my home SIM?
No. You can keep your home SIM in your phone and use the China eSIM for mobile data.
Should Data Roaming be enabled?
Yes. Enable Data Roaming on the China eSIM but disable it on your home SIM.
Can I make phone calls?
China travel eSIM plans are generally data-only. You can continue using your primary SIM for traditional calls if required.
What APN should I use?
If manual configuration is required, use data.esim.
Can I use hotspot?
Yes. Most compatible devices allow hotspot sharing while using a China eSIM.
Final Recommendation
A China eSIM is one of the easiest ways to stay connected while traveling. Install it before departure, activate it after landing, enable Data Roaming, keep your home SIM for calls if needed and use hotel WiFi for large downloads.
For the best experience, keep Network Selection on Automatic, disable Automatic Data Switching and use data.esim if manual APN configuration is required.