5G eSIM Vietnam | Viettel

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(6K+ reviews)
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  • Receive your eSIM immediately
  • 24/7 customer service support
  • Fully refundable before use
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What to Expect with eSIM Vietnam

What is an eSIM for Vietnam?

An eSIM Vietnam is a digital SIM card that lets you add a mobile data plan to your phone without needing a physical SIM. With a Vietnam eSIM, you can stay connected as you travel across cities like Hanoi, Ho Chi Minh City and Da Nang — no need to visit a SIM card store or worry about roaming fees.

How to Get Your Vietnam eSIM

  1. Download the Klook app
  2. Check device compatibility
  3. Select your destination and data plan
  4. Activate instantly via app or QR code
  5. Turn on data roaming to connect to the local network

Why Choose Klook’s eSIM for Vietnam

  • High-Speed Data: Reliable connectivity through top local networks like Viettel.
  • Instant Setup: Activate in 5 minutes — no physical SIM required.
  • Affordable Plans: Transparent pricing with no hidden expensive roaming fees.
  • Wide Compatibility: Works with 100+ eSIM-enabled devices.
  • Hotspot Sharing: You can easily share data with other devices.

Things to Know About Vietnam eSIMs

1. How does eSIM Vietnam work?

Vietnam eSIM works by digitally adding a mobile plan to your device. Simply purchase a prepaid Vietnam eSIM, install it through the Klook app or a QR code, and get connected as soon as you arrive. Hotspot and tethering are supported and you can easily add additional data linked to your main eSIM if you run out of data.

2. Is eSIM worth it for Vietnam?

Definitely! An eSIM is the easiest way to stay connected while traveling in Vietnam — no need to swap physical SIM cards. With Klook’s Vietnam eSIM, avoid expensive roaming fees while enjoying fast and reliable coverage across Hanoi, Ho Chi Minh City and Da Nang and beyond from Viettel for a seamless travel experience.

3. Can you keep your primary SIM number with a Vietnam eSIM?

Yes. Thanks to the dual SIM functionality of an eSIM, you can keep your local phone number. Your local SIM card stays in your phone, and you add the eSIM Vietnam plan for internet access. This lets you enjoy data in Vietnam without having to swap out your physical SIM card.

How to use

Activate in Klook App
Activate in Klook App (Update Klook APP to the latest version)
Activate in Klook App
Klook App: Account -Bookings-Click activate (You can also find the eSIM QR code in the voucher, Settings -Cellula- SIMs - Tap Add eSIM - scan QR code )
Reminder
Read the reminder and start installing the eSIM (The time and data will not start counting.)
Installation
Suggest install under wifi connection and please do not leave the page (might take some time)
Default settings
Please select "Primary" if you're not in your destination.
Done installation
Turn off cellular switching and the eSIM is installed! (If you failed, can try again.)
Turn on eSIM data roaming
After you arrive the destination: Turn on the eSIM line and turn on the data roaming.
Switch cellular data
After you arrive the destination: Switch the cellular data to the eSIM card.
Checking eSIM status
Check the eSIM status in your bookings in Klook APP (Reach out to us on the top right of the booking if you have any issues!)

Additional information

  • For connection issues, please contact merchant via the following steps: Account > Bookings > eSIM booking > Top right contact merchant

Terms & Conditions

Cancellation policy

  • Enjoy free cancellation within 180 days from booking confirmation date provided that data usage has not commenced