EVERYTHING YOU NEED TO KNOW ABOUT VIETTEL ESIM

  • If you plan to take a Vietnam trip, have you prepared all the necessary things in your luggage? Personal items, visa, plane ticket, and an important thing – internet connection. eSIM for Vietnam travel is one of the most convenient to stay connected in Vietnam.
  • If you were to use roaming data, you could be charged high fees. Secondly, they are very easy to acquire and you do not need to physically interact with any mobile service provider of an eSIM in Vietnam, keeping your travels as streamlined as possible!
  • When searching for information on mobile networks in Vietnam, there are many telecommunication service providers such as Vinaphone, Mobifone, Viettel, Vietnamobile... You might be unsure about which network provider to choose. So, here is an article to help you find the best mobile network provider in Vietnam with nationwide coverage, from cities to rural areas, mountainous regions, as well as islands and coastal areas.

ESIM VIETNAM

Viettel eSIM Daily 5GB For 10-15-20-30 Days

$10.80 USD
$10.80 USD
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5GB/Day For 10/15/20/30 Days
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Viettel eSIM For Tourist

Since its launch, Viettel's eSIM technology has received attention from a large number of users. It is considered a revolutionary breakthrough for communication devices such as phones, iPads, smartwatches, etc. With its integrated outstanding advantages, Viettel eSIM promises to provide the best experience for customers.

The difference between eSIM and regular SIM cards

  • Regular SIM card

    A regular SIM card is a small plastic card that stores contact information such as name, phone number, subscriber identification, etc. It is the first generation of SIM cards, consisting of plastic and a copper core containing integrated circuits and processing chips that store information.

  • eSIM Card

    On the other hand, eSIM is an electronic SIM card that can replace the traditional physical SIM card. These SIM cards are directly soldered onto the device's electronic circuit and have a compact size while providing full functionality. eSIM allows customers to switch to different networks through software without the need for complex physical removal and installation.

Devices that support Viettel eSIM

  • IPHONE

    • iPhone 15, 15 Plus, Pro, 15 Pro Max
    • iPhone 14, 14 Plus, Pro, 14 Pro Max
    • iPhone 13, 13 Mini, 13 Pro, 13 Pro Max, SE 3 (2022)
    • iPhone 12, 12 Mini, 12 Pro, 12 Pro Max
    • iPhone 11, 11 Pro, 11 Pro Max
    • iPhone XS, XS Max, XR
    • iPhone SE (2020, 2022)
    • iPad Pro 11-inch (1st, 2nd and 3rd generation)
    • iPad Pro 12.9-inch (3rd, 4th and 5th generation)
    • iPad (7th, 8th and 9th generation)
    • iPad Mini (5th and 6th generation)
    • Apple watch series 3, 4, 5 and 6
    • Apple watch SE
    • iPad Pro 12.9-inch (3rd, 4th and 5th generation)

  • SAMSUNG

    • Galaxy S23, S23+ 5G, S22 Ultra 5G, Galaxy Z Flip, Flip 5
    • Galaxy S22, S22+ 5G, S22 Ultra 5G, Galaxy Z Flip, Flip 4
    • Galaxy S21, S21+ 5G, S21 Ultra 5G
    • Galaxy S20, S20+, S20 Ultra
    • Galaxy Z Flip, Flip 3
    • Galaxy Note 20, 20+, 20 Ultra
    • Galaxy Fold, Fold 2, Fold 3
    • Galaxy Watch
    • These devices are not compatible: Galaxy S20 FE, Galaxy S20/S21 (US versions), Galaxy Z Flip 5G (US versions), Galaxy Note 20 Ultra (Versions from the US and Hong Kong), Galaxy Fold 2 (Versions from the US and Hong Kong).

  • GOOGLE PIXEL

    • Google Pixel 8 Series
    • Google Pixel 7 Series
    • Google Pixel 6, 6a, 6Pro
    • Google Pixel 5
    • Google Pixel 3, 3XL
    • Google Pixel 3, 3aXL
    • Google Pixel 4, 4a, 4XL
    • These devices are not eSIM compatible: Google Pixel 3 devices from Japan, Australia, and Taiwan, Google Pixel 3a from South East Asia.
    • Huawei P40 Pro, P40 Pro+
    • and various smartwatches, etc.
Check Devices Support eSIM

Where to buy VietteleSIM?

Customers can purchase Viettel eSIM at Viettel's transaction stores or the official website. The process is as follows:
• Step 1: Visit the website vietnamesim.vn.
• Step 2: Choose the suitable eSIM package for your travel needs in Vietnam.
• Step 3: After selecting the appropriate eSIM package, proceed to the payment process.
• Step 4: Fill in the necessary information such as Name, Email address to receive the eSIM's QR Code and installation instructions.
• Step 5: Proceed with payment via PayPal or your credit card/visa.
• Step 6: After successful payment, you will receive a receipt from Vietnam eSIM confirming your successful registration and purchase of Vietnam eSIM.
• Step 7: Please wait for 5-10 minutes for us to send the QR Code and installation instructions to your email.
• Step 8: Open your email and proceed with the installation and use of Viettel eSIM in Vietnam."

How to Activate Viettel’s Sim and Esim in Vietnam?

Activating Viettel’s Esim
Activating a Viettel esim is even easier as there is no physical sim card involved. Simply scan the QR code provided by the Viettel staff at the store, and your esim will be activated instantly. You can also activate your esim by downloading the My Viettel app and following the instructions provided.

 How to activate eSIM on iPhone

If you are using an iPhone, check the eSIM iPhone list to make sure you can use the eSIM on it, and follow the instructions below for its use.

"Check iOS Version
Firstly, in order to activate eSIM, iPhone users are required to upgrade their operating system to a version higher than 12.1.2 to be able to use it.

Installation esim on iphone

  • Step 01

    Turn on the Wi-Fi connection of your iPhone

  • Step 02

    On your device, go to Settings. If it isn’t available on your Home screen, swipe left to access the App Library, and search for it on the search bar.

  • Step 03

    Tap Cellular or Mobile (depending on your phone)

  • Step 04

    Tap Add Cellular Plan or Add Mobile Data Plan (depending on your phone)

  • Step 05

    Scanyour printed QR code or the QR code you keep on another device

  • Step 06

    Tab Add Cellular Plan or Add Mobile Data Plan to confirm the installation.

  • Step 07

    On the Cellular or Mobile data plan labels screen, choose the available label

  • Step 08

    Tap to Cellular and turn on Data Roaming to use esim plan

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Viettel Network Coverage in Vietnam?

Viettel esim card the best mobile network provider in Vietnam with nationwide coverage, from cities to rural areas, mountainous regions, as well as islands and coastal areas.

Check 4G of Viettel esim by Speedtest Software.

When using the Speedtest software to measure the 4G network speed of eSIM, the results are quite similar to a physical SIM card. Although the upload speed may be slightly inconsistent, the download speed still reaches its maximum. The browsing experience, using Facebook, watching YouTube, everything is smooth."

How to Check the Data Plan Viettel Package?

Viettel offers a variety of data plans to suit different needs and budgets. To check your data plan, you can use the My Viettel app or dial *098# and follow the prompts. You can also check your data usage and remaining balance through these methods.

Besides, you can send a message by text KTTK to 191 to check esim plan

Frequently Asked Questions about Viettel eSIM

Can I use esim Viettel in other cities across Vietnam?

Yes, eSIM Viettel works nationwide Vietnam. Viettel Network coverage 99% of the time in Vietnam. Viettel eSIM Plans help you connect to the best network in the selected city.
If you plan to stay longer in a particular city, consider choosing our City eSIM Plans for added convenience.

Should I order and activate eSIM before traveling?

You can purchase an eSIM at your convenience, either one day before your travel date or upon arrival at your destination.
Additionally, please note that to install the eSIM, your device must be connected to a Wi-Fi or a cellular data network.

What should I do, when i didn't receive a QR Code email?

Our QR code is sent automatically to the email address you’ve written in the order form within 15 minutes. If you haven’t received your email, please check the followings below :

Please check your junk or spam folder first.
You may have a typo in the email address you provided to us. In this case, please contact us at Esimcardvietnam@gmail.com, so we can resend it to you as soon as possible.
Please check the email associated with your payment method, as the QR code will be sent to that address.

Can I make a call with Viettel eSIM?

No. Viettel esim is Data only, it excludes Vietnamese phone number.

How can i do if my eSIM Not Activating / Can't Scan QR Code

Common Causes

  • Wrong QR code or already-activated QR code
  • Device not eSIM-compatible
  • VPN active during activation
  • Poor internet/wifi when setting up

Fix

  1. Turn off VPN.
  2. Connect to a stable WiFi network.
  3. Go to:

    Settings → Mobile/Cellular → Add eSIM / Use QR Code
  4. Re-scan the QR code once only.
  5. If still not working:
    Try manual activation (SM-DP+ address). Many Viettel eSIMs use:

    SM-DP+ Address: vietnam-esim.viettel.vn (varies by vendor)

    Ask your provider to reissue a new QR code (old ones often lock after 1–2 scans).

If My Viettel eSIM is showing No Signal / Weak Signal After Activation

Possible Causes

  • eSIM plan not activated by Viettel system yet
  • Network mode set incorrectly (e.g., 3G only)
  • You're in a basement, mountain area, or offshore islands
  • Roaming accidentally disabled
  • Using an international eSIM that requires roaming ON

Fix

  1. Restart your phone.
  2. Enable Data Roaming (even for local eSIMs it sometimes helps).
  3. Make sure your network mode is:
    4G/5G Auto
  4. Go to Network Selection → Choose Viettel manually.
  5. If in rural areas:
  • Switch temporarily to 4G only.
  • Move away from metal structures or underground levels.

Data Plan Shows “Connected” But No Internet

Causes

  • Missing or wrong APN
  • Device still prioritizing another SIM
  • Data limit enabled accidentally

Fix

A. Check APN

Viettel APN should be:

  • APN: v-internet
  • Leave username & password blank
  • Authentication type: none
B. Select Correct Data Line

iPhone: Settings → Cellular → Cellular Data → Choose Viettel eSIM

Android: SIM Manager → Mobile Data → Select Viettel

C. Turn Off Data Saver / Low Data Mode