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Choose Your eSIM Plan for Vietnam

Activate in seconds

A Simology Vietnam eSIM gives you mobile data from $2.61, connecting to local networks such as Viettel, Vinaphone (VNPT), MobiFone. Activate it by scanning a QR code in minutes — no physical SIM and no roaming fees.

14 Packages Available — From $2.61

DataValidityPrice
1 GB7 Days$2.61
Unlimited Data1 Day$2.79
2 GB15 Days$4.05
3 GB30 Days$5.32
Unlimited Data3 Days$6.40
5 GB30 Days$7.77
Unlimited Data5 Days$10.01
10 GB30 Days$11.83
Unlimited Data7 Days$13.65
20 GB30 Days$19.06
Unlimited Data10 Days$19.06
Unlimited Data15 Days$28.10
50 GB30 Days$41.66
Unlimited Data30 Days$55.22

From the bustling streets of Ho Chi Minh City to the historic charm of Hoi An and the dramatic limestone karsts of Ha Long Bay, Simology's eSIM for Vietnam gives you instant, reliable mobile data without the hassle of physical SIM cards or expensive roaming fees. Pick a Vietnam-only plan for focused coverage or a Southeast Asia regional bundle if you're visiting neighboring countries — all with simple setup and flexible durations.

Instant Activation·4G & 5G Networks·Global Coverage

Traveling to multiple countries in Asia?

Our regional eSIM covers all Asia countries with one plan. No need to switch SIMs between borders!

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How to Activate Your eSIM for Vietnam

1

Choose a plan

Select a Vietnam-only plan for city-focused travel or a Southeast Asia regional plan if you're crossing borders.

Install in seconds

Scan the QR code or activate via the Simology app — setup typically takes less than 2 minutes.

Activate and go

Activate your eSIM when you land or at any time before arrival; your eSIM will connect to local networks instantly.

Manage on the go

Top up data, check usage, and switch plans at any time with the Simology app or web portal.

Mobile networks & coverage in Vietnam

Networks you connect to

Your Simology eSIM in Vietnam connects to established local partner networks such as Viettel, Vinaphone (VNPT), MobiFone, giving you 4G/5G data where available. It automatically selects the best available signal, so there is nothing to set up.

  • Viettel
  • Vinaphone (VNPT)
  • MobiFone

Why travelers love it

Strong 4G and growing 5G coverage in cities and main tourist routes; remote highland areas may have more limited speeds.

eSIM vs roaming in Vietnam

Using your home plan's roaming in Vietnam usually means pay-as-you-go rates or daily add-ons — convenient, but easy to overspend on. A Simology eSIM is a fixed prepaid plan you buy before you travel, so you know the cost up front.

Simology eSIM

  • Fixed price paid in advance
  • No roaming fees or bill shock
  • Activate by QR code in minutes
  • Top up or add plans in the app

Home-network roaming

  • •Rates vary by your home carrier
  • •Risk of surprise charges
  • •You may need to enable roaming
  • •Often slower fair-use limits

Will my phone work in Vietnam?

A Simology eSIM works on most eSIM-capable smartphones and tablets from the last few years, including recent iPhone, Samsung Galaxy, and Google Pixel models. Your device also needs to be carrier-unlocked.

Check device compatibility

Vietnam Travel Tips

Must-see hotspots

Ha Long Bay, Hoi An Ancient Town, Ho Chi Minh City, Hanoi Old Quarter, Sapa rice terraces, Mekong Delta, Hue Imperial City, Phu Quoc beaches.

Data planning

For everyday maps, messaging, and photo sharing plan for 2–4 GB/week. If you plan to stream videos or work remotely, consider 8–20 GB based on duration. Top-ups are quick and straightforward with Simology.

Insider tips

  • Public Wi‑Fi can be inconsistent — use your eSIM for secure, stable access when navigating cities and booking transport.
  • North and central Vietnam have distinct seasons — November to April is generally drier in the north; summer brings rain and humidity. Tet (Lunar New Year) is very busy, so book ahead.

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Frequently asked questions about eSIM in Vietnam

Is coverage good outside Hanoi and Ho Chi Minh City?
Yes — major tourist routes and towns have reliable 4G. More remote mountainous areas may have limited service.
Can I activate before I travel?
Yes — install the eSIM ahead of time and activate it when you arrive in Vietnam.
How do I top up?
Use the Simology app or website to add data instantly while you're abroad.
Does the Vietnam eSIM support 5G?
Many Vietnamese networks support 5G in major cities; your eSIM will connect automatically where 5G is available.

General eSIM questions

Does an eSIM work in Vietnam?
Yes. A Simology eSIM connects to local mobile networks in Vietnam, giving you 4G/5G data as soon as you arrive — with no physical SIM and no roaming fees.
How much does an eSIM for Vietnam cost?
eSIM data plans for Vietnam start from $2.61. You only pay for the data and validity you need — no contracts and no surprise bills.
Which networks does a Simology eSIM use in Vietnam?
In Vietnam, a Simology eSIM connects to major local mobile networks such as Viettel, Vinaphone (VNPT), MobiFone, automatically selecting the best available signal for 4G/5G data.
How good is eSIM coverage in Vietnam?
Coverage in Vietnam is strongest in cities and along major travel routes, where 4G and 5G are widely available. As with any local network, signal can be weaker in remote or rural areas.
Will my phone work with an eSIM in Vietnam?
Most eSIM-capable smartphones and tablets from the last few years work in Vietnam, as long as your device is carrier-unlocked. Check our compatibility list if you are unsure.
Can I top up my eSIM while I am in Vietnam?
Yes. You can top up data or buy another plan for Vietnam anytime in the Simology app or website — no need to swap SIMs or visit a store.
How fast is eSIM data in Vietnam?
A Simology eSIM delivers 4G and 5G speeds in Vietnam wherever the local networks support them — fast enough for maps, streaming, video calls, and hotspot sharing.
What is an eSIM?
An eSIM is a digital SIM card that allows you to connect to cellular networks without a physical SIM card. It's built into your device and can be activated remotely.
Is my device compatible?
Most modern smartphones, tablets, and smartwatches support eSIM technology. Check our compatibility guide for a complete list of supported devices.
How do I install an eSIM?
After purchase, you'll receive a QR code via email. Simply scan the QR code with your device's camera in the eSIM settings to install and activate your plan.
What data speeds can I expect?
You'll get the same high-speed data as local users, typically 4G/LTE speeds. 5G is available in select countries and devices.

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