Global Background


Choose from our range of eSIM packages

Available eSIM Packages



US $4.50


1 GB


7 Days



US $9.50


3 GB


10 Days



US $13.00


5 GB


15 Days



US $21.00


10 GB


30 Days

Commonly Asked Questions:

Additional Information

eSIM Vietnam

Travelers may experience a range of emotions when visiting Vietnam. Some visitors limit themselves to the seaside resorts and tourist traps, missing out on the welcoming people and breathtaking scenery that Vietnam is known for. Travelers can gain a new perspective by exploring Vietnam, a country steeped in history. You may start your day slipping down sand dunes, then spend the afternoon strolling along the shore, all thanks to the region's incredibly varied landscape.

If you are planning a vacation to Vietnam, travel eSIMs for Vietnam are the most recommended alternative to roaming or local SIM cards for accessing the internet quickly, easily, and affordably.

You can buy eSIMs online from KnowRoaming for more than 200 locations.

An embedded SIM, also known as an eSIM, is a SIM that is available on most modern smartphones. Unlike traditional SIM cards that require changes when switching carriers or traveling abroad, eSIMs are programmable and attach directly to the phone.

Since it's not a good idea to run out of data while traveling, eSIMs with sufficient data are the best option for worry-free travel in Vietnam, but if you’re running low, you can always top up. There is nothing worse than running out of data in a foreign country and then having to pay exorbitant fees to purchase a normal SIM card.

This article will provide you with information on Vietnam eSIM plans and how to activate your eSIM after purchasing it from KnowRoaming.

How does an eSIM in Vietnam work?

An eSIM works on a worldwide scale and can hold numerous network profiles. For people who travel often, this is a great choice. An embedded eSIM in your device prevents the easy misplacing of a SIM card.

Make sure your phone can use an eSIM before you buy a plan. Checking your phone's compatibility is the first step in selecting an eSIM provider associated with Vietnam, like KnowRoaming.

Before traveling to Vietnam, purchase a data plan and activate it using the QR code that you will receive with the eSIM. Feel free to start communicating with your buddies or surfing the web right away.

There are a lot of benefits to using an eSIM, and the technology that powers it is amazing. As a result, fewer plastic SIM cards will be needed, and it is eco-friendly, practical, effective, and customizable.

Other resources: What is an eSIM?

How to activate your eSIM for Vietnam?

Thanks to the simplicity of eSIM technology, we are now able to establish connections with mobile networks in a completely novel manner. Installing and activating an eSIM is a simple and straightforward process.

Immediately after your purchase, you will receive an email from KnowRoaming containing comprehensive instructions on how to activate and install the eSIM.

Prior to installing , ensure that your phone is not network locked, as this is a key requirement for using travel eSIMs. Contact your home network provider if your phone is network locked.

To ensure a smooth setup process, we recommend installing your eSIM just before your departure, as installation requires a stable Internet connection, which might not be the case when you arrive in Vietnam.

After you've installed your eSIM in your home country, you can turn it off until you reach Vietnam. The package's activation only occurs when you use your eSIM in Vietnam.

Scan the QR code on the checkout page or the confirmation email you received from KnowRoaming, then accept and continue all prompts.

When you arrive in Vietnam, follow these steps to activate your eSIM on your Android of iOS device:

On Android devices

  • Go to Settings on your phone.
  • Tap on Connections.
  • Tap on Sim Manager.
  • Tap on Mobile Data and set it to your eSIM.
  • When you arrive, go to Settings.
  • Tap on Connections.
  • Tap on Mobile Networks.
  • Turn on data roaming.
  • On iOS devices

  • You need to first switch mobile data to your eSIM.
  • Go to Settings and tap on Mobile Data or Cellular Data.
  • On the Mobile Data page, tap on the Mobile Data option at the top.
  • Select your eSIM.
  • Turn on roaming for your eSIM.
  • You are now ready to use the Vietnam eSIM to connect with family and friends and surf the internet.

    Why Choose KnowRoaming?

    Not all eSIMs are the same quality. KnowRoaming, a company with more than 15 years of expertise in the industry, is a trailblazer in solving connectivity issues for travelers.

    With KnowRoaming eSIMs, you and your devices will have uninterrupted access to over two hundred international destinations. A single global eSIM is sufficient for tourists who are visiting numerous nations or territories. An eSIM has the significant benefit of eliminating the need to pay exorbitant fees for roaming services.

    Upon arrival at your destination, your eSIM will promptly establish a connection with the local network, providing you with the advantage of reliable and consistent data usage at a predetermined rate during your journey.

    Acquiring an eSIM from KnowRoaming is a simple process that only takes a few minutes. Once obtained, the eSIM allows you to send and receive messages on your favorite communication apps and connect to the internet.

    KnowRoaming offers exceptional customer service. The website is highly intuitive and easy to navigate, and the 'Frequently Asked Questions' section comprehensively covers installation, troubleshooting, and general inquiries with corresponding solutions.