Promotion

Da Nang Fireworks Festival 2026 Celebration: Use code GIGADIFF15 for an instant 15% OFF on all Vietnam eSIMs

Vietnam eSIM 20 days

eSIM Vietnam 20 days

Check compatibilty
Enter your phone model
  • Data: Daily 4GB – Daily 5GB high-speed data 5G/4G/LTE
  • Network: MobiFone (official network)
  • Vietnam phone number: Yes
  • Outgoing calls & SMS: Yes (varies by plan)
  • Delivery: Immediate, via email, after order checkout
  • Hotspot/Tethering: Yes
  • Support: 24/7 Real human
  • *International mins: to China, Korea, USA, Hong Kong, Thailand, Malaysia, Singapore, Indonesia, Laos, Cambodia, Myanmar, Philippines, Timor Leste, Brunei

Use Code GIGADIFF15 at checkout for an instant 15% OFF on ALL Vietnam eSIM Plans!

$12.90 – $14.90

$12.90
$14.90

Vietnam eSIM 20 Days – 4G/5G Data + Local Number

Automatic Renewal Every 24 Hours

Travel Vietnam with confidence using the Vietnam eSIM 20 Days, your all-in-one solution for staying connected across Vietnam. Get consistent 4G/5G data, local call functionality, and a Vietnamese mobile number – all without stepping into a SIM store. The eSIM is powered by MobiFone, one of the country’s top three network carriers. Whether you are exploring Hanoi’s Old Quarter or relaxing by the beaches of Da Nang, enjoy strong signal coverage and high-speed daily data without worrying about roaming fees or physical SIMs.

  • Calling ready: includes a Vietnam number with outgoing calls (varies by plan).
  • Full-day usage: each “day” equals a full 24-hour period from activation for maximum value.
  • Smart daily refresh: Data resets automatically at 00:00 (GMT+7) regardless of when you activate.
  • 💡Tip: If you activate late at night, your data refreshes soon after midnight – giving you extra data on your very first day!

What you can expect

Full data and voice services

Enjoy the reliable high-speed data and local phone number from MobiFone’s official network.

Instant activation

Get your mobile data working in just a few minutes.

Keep primary number

Continue using your current number while enjoying our eSIM data.

Zero roaming fees

Everything paid upfront, zero hidden fees or roaming costs.

Vietnam eSIM 10 days offers high speed data

Travel smarter across Vietnam with a 20-day eSIM

The Vietnam eSIM 20 days keep you connected like a local from the moment you arrive –  combining high-speed 4G/5G data with a real Vietnam phone number.

Unlike a typical data-only eSIMs, this option gives you full mobile functionality, perfect for travelers who want both fast and the convenience of local communication for business, accommodation, confirmations, or everyday travel needs.

Discover more Vietnam eSIM plans!

How it works

Effortless eSIM activation awaits – prepare to explore Vietnam with confidence!!
Step 1 - Buy plan for Hanoi eSIM

Step 1

Choose your plan

Browse our travel data plans, pick the perfect option and place an order.

Step 2

Scan QR code

Receive the QR code and user guide via email (instantly). Simply scan to install.

Step 3 - Enjoy Internet with Hanoi eSIM

Step 3

You’re all set!

When you are in Vietnam, dial 900 and press 2 to activate and start enjoying unlimited access through our fast and reliable network.

Things to know

Data and voice service

Your Vietnam eSIM 20 days provides both data and calling with a local Vietnam phone number from the leading network.

Check compatibility

Verify your phone supports eSIM and is unlocked. Check our eSIM compatibility list before purchasing.

Activation time

Your plan activates on arrival in Vietnam by dialing 900 and pressing 2.

30-day activation

Activate your data plan within 30 days of purchase. No cancellations, refunds, or changes after this period.

One-time scan

Each QR code works only once – never delete your eSIM during use. Contact [email protected] or +1 657-571-1199 if you need help.

Frequently asked questions

If you still have questions about this service? We are here to help

Do I need a passport to buy the eSIM Vietnam eSIM 20 days?
It is not necessary to show your passport when buying eSIMs at vietnamesim.com.

Your data plan will start once you are in Vietnam – simply dial 900, then press 2 to activate.

Install the evening before departure or on arrival in Vietnam’s airport with free Wi-Fi.

For your travels, we recommend using an eSIM in Vietnam for tourists if your device supports them. It’s more convenient and activates instantly.

Install the eSIM with the QR code sent to your email. In the mobile settings, select it as the default mobile data, turn on data roaming and mobile data. Then, your eSIM will work. Read more in our eSIM installation guide.

Yes, 20-day Vietnam eSIM plans include hotspot feature for sharing data with other devices.

After you place your order, we will send an email with your eSIM information, including QR code, confirmation code and activation guide within 3-10 minutes. Just scan the QR code and follow the user guide.

Our Vietnam eSIM 20 days is a one-time-use eSIM. After being activated, it will be ready for you to use until the expired date or when daily data runs out. If you remove eSIM from your phone, you will not be able to use it once again.

We provide 24/7 customer support via WhatsApp (+1 657-571-1199) and email to promptly resolve any connectivity issues during your Vietnam adventure.

Yes, it depends on the plan you choose. The Daily 4GB – 20 days plan offers 500 on-net minutes and 20 international minutes (China, South Korea, USA, Hong Kong & 10 ASEAN countries). You can also top up credit for additional calling needs.

The Internet stops until 23:59 (GMT+7) then resets to full speed automatically.

Yes. Set your primary SIM for calls/SMS, and the eSIM for mobile data only.

Show all FAQs