China – Thailand – Vietnam eSIM – Perfect Connection For Your Southeast Asia Trip
Explore three amazing countries with one simple eSIM! You’ll stay connected everywhere – from Beijing’s Great Wall to Bangkok’s temples to Hanoi’s charming streets. We offer many data plans to choose from: unlimited data packages or time-based plans that fit any travel schedule. Our eSIMs connect to the best local networks in all three countries, ensuring strong signal throughout your journey. Our multilingual support team is ready to help you 24/7 whenever you need assistance.
Get best value China Thailand Vietnam eSIM plans
5GB
After 5GB, data off.
*Valid for up to 30 Days
Data only plan
Starts at
$ 9.90
10GB
After 10GB, data off.
*Valid for up to 30 Days
Data Only plan
Starts at
$ 17.50
20GB
After 20GB, data off.
*Valid for up to 30 Days
Data Only plan
Starts at
$ 32.50
What you can expect
High-speed data
Experience the reliable
5G/4G/LTE local network.
Extensive
Get mobile data connection
in just a couple of minutes.
Keep number
Keep your current number
and use data with our eSIM.
Near-local rate
Goodbye to expensive roaming
fees. No hidden fee.
Always Online Across China, Thailand & Vietnam!
Need internet for your Southeast Asia adventure? Our special eSIM works in all three countries instantly! Pick a data plan that matches your trip length and enjoy seamless connection everywhere you go. No more border crossing internet problems or multiple SIM cards. Just reliable service throughout your entire journey!
How it works
Step 1
Choose your plan
Browse our travel data plans and pick the perfect option.
Step 2
Activate with one scan
We’ll email your QR code – simply scan to activate.
Step 3
You’re all set!
Enjoy unlimited access through our fast and reliable network.
Things to know
Data and voice service
With China Thailand Vietnam eSIM, you will only have access to mobile data services – you won’t be able to make calls or send SMS. Popular messaging apps like WhatsApp, Facebook Messenger, Google Hangouts or voice/video chat services like FaceTime can allow you to communicate.
Check compatibility
Ensure your device supports eSIM and is network-unlocked. Refer to our eSIM compatibility list before making a purchase.
Activation time
Activate your plan by installing the eSIM profile on your device. You can do this up to one day before your trip or upon arrival. Coverage starts immediately upon activation.
30-day activation
Please activate your data plan before expiry date. Once it expires, Cancellation, Refund or Changes are not allowed.
ONCE time scan
For any eSIM plan, please note that each eSIM QR code can only be scanned and installed ONCE. So, please do not delete the eSIM while using it. If you get any issue, please contact us for support.
Frequently asked questions
If you still have questions about this service? We are here to help
It is not necessary to show your passport when buying eSIMs at Chinaesim.com.
Your data plan will start as soon as you install it on your phone. It is recommended for you to scan and activate your eSIM right before your departure date so you will be connected after landing.
When you install your eSIM, the number of the days will start to count down. If you are not in the country that the eSIM covers, you cannot access the data and will not lose any data in the plan.
For your travels, we recommend using an eSIM in China for tourists if your device supports them.
Install the eSIM with a QR code sent to your email. In the mobile settings, select it as the default mobile data medium, turn on the data roaming and mobile data (cellular data). Then, your virtual sim will work. Contact us if you need more information.
Yes, the China Thailand Vietnam eSIM will allow you to share your mobile data with other devices.
After using up the data volume of the plan you bought, you can buy another plan for more data. If there is anything unclear, feel free to contact us.
After you place your order, we will send an email with your eSIM information, including QR code, confirmation code and activation guide within a few minutes. Just scan the QR code and follow the user guide.
Our China eSIMs are one-time-use eSIMs. After being activated, it will be ready for you to use until the expired date or the day when data runs out. If you remove eSIM from your phone, you will not be able to use it once again.
The QR code can be scanned once which means that if you remove the eSIM from your phone, you cannot install it again. And eSIM can only be installed on one device.