Fast activation and full freedom with our Vietnam eSIM

Stay connected hassle-free – activate your eSIM in seconds and enjoy €0 roaming charges.

☑️ Activation in 30 seconds via QR code scan

☑️ 24/7 live chat support

Unsere eSIM Vietnam Internet Datenpakete

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This is how it works!

1. Check compatibility: Check whether your device is eSIM compatible. You can find all compatible models here: Compatible devices

2. Select a package: Choose the eSIM package that best suits your travel needs.

3. Scan QR code: Scan the QR code provided in our email and have fun surfing!

Technical Information

  • activation

    The plan starts automatically when connected to the network

  • network

    MobiFone 4G

    Vietnam Mobile 3G

    Vinaphone 4G

  • contractual obligation

    No

  • phone number

    The eSIM is delivered without a phone number and can only be used for mobile data usage

  • VPN

    Yes
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Frequently Asked Questions

What is an eSIM?

An eSIM (embedded SIM) is a built-in SIM card in your
Smartphone that replaces your physical SIM card and is activated digitally.

Is my device eSIM compatible?

Most newer smartphones and tablets are eSIM compatible. You can find all eSIM-enabled devices here.
In addition, the following requirements must be met: Roaming must be activated on your device and there must be no SIM lock.

Are there roaming charges?

No, with VoiSim you will not incur any roaming charges on your main contract.

When will my eSIM be activated?

The validity period and data usage of your eSIM package begin
only when data roaming is activated on your device and the eSIM connects to the network. The time of the first data consumption
is therefore the beginning of the validity period of 7 or 30 days.

If you
If you are planning a trip in the future, you can easily install your VOISIM beforehand and only activate data roaming when you start your trip.

Am I entering into a contract?

No, you have no contractual obligation with your VoiSim. It is
a pure prepaid eSIM whose term ends after 7 or 30 days or as soon as your data volume is used up. So you don't have to cancel anything!

Can I continue to use WhatsApp?

Sure, with your VoiSim you can continue using WhatsApp in a relaxed manner
Your WhatsApp number will remain the same, even if you activate our eSIM.

This means that all your chats and contacts are still there and you can make phone calls via WhatsApp.

Do you have any questions or need help activating your eSIM?

We are available 24/7 . Please do not hesitate to contact us immediately if you have any questions.

contact

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  • Why do you need an eSIM for your trip to Vietnam?

    Are you traveling to Vietnam soon and want to be online right away? Whether you're backpacking through the rice paddies of Sapa, sampling street food in Hanoi, or riding a scooter through Ho Chi Minh City, with a Voisim eSIM for Vietnam, you'll have mobile internet access anytime, without complicated SIM cards or expensive roaming charges.

  • Where can I buy a Vietnam eSIM?

    It's easy: right here at Voisim! Compared to local providers, you save yourself the stress and language barriers. Instead of searching for a store at the airport, book your data package online before departure. Scan the QR code – that's it. No physical SIM, no paperwork, no waiting.

  • Do I need mobile internet in Vietnam?

    Definitely yes! Vietnam's infrastructure is well-developed, but you'll often rely on your smartphone: for navigation with Google Maps, restaurant recommendations, translation apps, social media, or simply to communicate with family and friends. With a Vietnam eSIM, you'll have stable 4G/5G – without having to rely on hotel Wi-Fi.

  • How does a Vietnam eSIM work for tourists?

    As soon as you order from Voisim, you'll receive a QR code via email. All you need is a compatible smartphone (e.g., iPhone XR or newer, Samsung Galaxy S20 or later), and you can activate the eSIM in just a few minutes—even before you board the plane. Perfect for getting online right after landing.

  • Which is the cheapest eSIM for Vietnam?

    We offer flexible, no-contract packages – you only pay for what you really need. Whether it's a few days for a city break, a two-week beach holiday, or a whole month as a digital nomad: you choose your own data package. No hidden fees, no commitment – complete cost control.

  • Is the Vietnam eSIM safe and reliable?

    Yes! Our eSIMs use the best local networks, so you're always connected in Hanoi, Hoi An, Da Nang, Nha Trang, or on the islands. Whether you're Googling travel tips, uploading photos, or navigating with Maps, with Voisim you'll have a stable connection – hassle-free and uninterrupted.

  • Vietnam eSIM for Backpackers and Digital Nomads – Flexible, Fast, Affordable

    For many travelers, especially backpackers and digital nomads, a reliable and affordable internet connection in Vietnam is essential. Our Vietnam eSIM offers the ideal solution for those who want to remain flexible while maintaining connectivity.
    Receive your QR code immediately after purchase and stay connected from the start. Avoid the hassle of buying or switching local SIM cards. Choose between different data plans to suit your travel length and needs. Whether you're strolling through the streets of Hanoi or working in the cafes of Ho Chi Minh City, our eSIM keeps you connected.
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