Dong Bac, Vietnam is a great place to stay connected. One small SIM beats paying roaming fees, and it keeps your plans smooth while you travel. What I like most is the combination of Viettel 5G/4G data and a setup that feels straightforward, even on day one. You pick it up around Hanoi, then activate it and go. Viettel is also described as one of Vietnam’s top operators, backed by strong network reputation.

Two things I genuinely like: first, the plan gives 5GB of high-speed data per day, so you can use maps, messages, and social apps without constant math. Second, the pickup option is practical, with help in Hanoi Old Quarter and a clear office location at 131 Hang Bong Street (Mon to Sun, 9:00 AM to 10:00 PM). The main drawback to keep in mind is that this is data-only. It does not include voice calling or SMS, and outside the Hanoi area you only get eSIM support, not a physical SIM.

Key Points You’ll Care About Most

• 5GB high-speed data per day for the length of your 15 to 30 day trip
• Viettel network with 4G/LTE and access up to 5G where available
• Data-only plan (no calls, no SMS), but hotspot works
• Simple pickup in Hanoi Old Quarter or at the office on Hang Bong Street
• eSIM support outside Hanoi, physical SIM support is for the Hanoi area
• Requires sim-unlocked phones and eSIM-capable devices if using eSIM

Getting Your Viettel SIM in Hanoi Old Quarter (And Exactly Where to Go)

If Hanoi is your first stop, this SIM setup starts off in a way that actually helps. You can pick it up at the Vietnam Asia Office at 131 Hang Bong Street, or you can have it brought to your hotel if you’re staying in Hanoi Old Quarter.

Why that matters: Hanoi Old Quarter can be a maze. You’ll be walking, checking maps constantly, and looking up restaurant and museum hours on your phone. Having the SIM ready early means you spend less time hunting for Wi-Fi. It also reduces the stress of relying on hotel internet, which can be weak or locked.

The office hours are generous, Monday to Sunday from 9:00 AM to 10:00 PM, which is handy if your arrival day is messy. In plain terms, it gives you time to sort it out without forcing you into a narrow window.

One more practical note: the activity lists an English host or greeter, and the pickup is included. That is useful if you’re not tech-inclined, especially if your phone needs a couple settings changes before it behaves correctly with your SIM plan.

Small group vibe, but the goal is speed

The experience says small group available. That usually means you are not stuck in a big crowd process. The point here is quick, calm assistance so you leave with working data.

Activation Anywhere in Vietnam With eSIM or Physical SIM

Here’s where you need to pay attention, because Vietnam SIM rules vary a bit by location and phone type.

You can activate the SIM anywhere in Vietnam, but the type you receive depends on where you are. The important rule is: if you are not in the Hanoi area, only eSIM is supported, not physical SIM. If you’re in Hanoi, you may get the physical pickup option. Either way, the plan is still the same concept: data access that stays active for your visit duration.

Before you go, check your phone setup:

• Your phone must be SIM unlocked.
• Your phone must support eSIM if you’re using the eSIM option.

This is not just a technical footnote. People get stuck when they assume every phone accepts every SIM type. If your device is locked to a carrier, activation can fail or take extra steps.

The eSIM “QR code” reality check

The simplest way the eSIM process works is by scanning a code. In practice, you may need:

• Wi-Fi to get started
• One phone to view the QR code (if another device created it)
• Another phone to scan and install it

Even if that sounds fiddly, it is usually manageable once you have stable internet access in the first place. If you land in Hanoi and want to install immediately, plan on using the airport Wi-Fi or another safe Wi-Fi network during setup. Once it’s installed, day-to-day use should feel normal: open apps, load maps, and keep going.

What 5GB Per Day Actually Means for Your Trip

The plan offers 5GB per day of high-speed data. That’s a clear number, and clarity is valuable when you travel. You are not guessing how long your data will last based on vague speed tiers.

For most people, 5GB/day covers:

• Google Maps and ride app navigation
• Social media scrolling and posting
• Messaging apps, like WhatsApp or Messenger
• Basic browsing and travel searching

Where it gets smarter: when you pair it with offline habits. Download what you can before you leave your hotel. Then use the SIM for live updates, reroutes, and booking confirmations. That way, you stretch the daily high-speed data further.

Hotspot works, but think about your group setup

The listing includes hotspot capabilities. That’s great if you’re traveling with friends, or if multiple people need data in one group. Hotspot can be a lifesaver in places where only one person has the SIM.

But keep expectations practical. Hotspot can drain battery faster than normal phone use. It can also slow things down for every device when more devices connect at once. Still, it beats the usual chaos of finding and sharing random Wi-Fi passwords in Vietnamese cafes.

Speed and Coverage: 4G/LTE Now, 5G Where Available

The plan is listed as 5G/4G, with internet speed up to 4G, LTE. That wording is typical for travel SIM products: you may see 5G in some zones, but 4G/LTE is the dependable baseline.

What this means for you is simple:

• In major areas, you should get fast enough data for maps, messaging, and normal browsing.
• Even when you leave the city, you’re not just hunting for Wi-Fi. The coverage is described as across Vietnam, and the experience is positioned as working well even beyond typical tourist corridors.

If your trip includes day trips and longer drives, having data you can rely on helps a lot. You can check routes, confirm meeting points, and handle last-minute schedule changes without guessing.

Data-Only: No Calls or SMS, So Plan Your Communication

This SIM is sim only Internet access and does not support voice calling or SMS messaging.

That is not a deal-breaker for most modern travelers, especially if you use:

• Messaging apps over data
• Voice calls over apps like WhatsApp, Messenger, or similar services (as long as both sides have internet)

Still, it’s important to be honest with yourself. If you expect to receive SMS codes for banking or account logins, data-only SIMs can complicate things. The product notes calling and texting SMS are not included, so plan accordingly.

A helpful habit: test your most important apps before you leave your first Wi-Fi or before you land, especially if you rely on 2-step verification.

Where This Option Delivers Strong Value (And Where It Might Not)

Price is listed at $12 per person, with validity 15 to 30 days. For a travel SIM, that sits in a reasonable zone, especially because the plan is not a tiny, trial-sized amount. 5GB per day adds up quickly if you actively use your phone.

Here’s how I think about the value:

• If you use your phone a lot, the daily data amount helps you stay productive.
• If you share hotspot with others, one SIM can cover a small group in a pinch.
• If your trip is short but data-heavy (lots of navigation and posting), the per-day structure can still be worth it.

Where you might decide it’s not for you:

• If you need phone calls or SMS
• If your phone cannot do eSIM and you won’t be in Hanoi to get a physical SIM option
• If you only need minimal browsing and you’re comfortable with Wi-Fi

In other words, this is built for travelers who want independence and consistency.

What a Smooth Setup Looks Like in Real Life

The best part of this kind of service is not the SIM card itself. It’s the early guidance that gets you online fast.

Based on the way this experience is set up, you should expect:

• Direct help in getting the SIM activated
• Clear instructions, especially if you are installing eSIM on your phone
• Pickup help that removes the hassle of hunting down the seller

You also get English support listed, which matters if you are trying to explain what your phone is doing when it refuses to connect. If your device is compatible, activation is designed to be quick. If it isn’t compatible, you want help before wasting hours.

Practical Tips Before You Commit

A few small checks can prevent big headaches:

• Confirm your phone is SIM unlocked before arrival.
• Confirm your phone supports eSIM if you expect an eSIM delivery.
• Plan your first setup with Wi-Fi available, since eSIM installation often uses a QR code workflow.
• Remember: you are buying data only, so plan how you will handle any SMS-based services.
• If you want to share your connection, pack a short-term hotspot plan. Hotspot works, but keep battery in mind.

If you do those things, you’ll get the main benefit: staying connected across Vietnam without turning every day into a Wi-Fi scavenger hunt.

Who Should Book This Viettel Tourist SIM?

This is a strong fit for:

• First-time visitors who want a simple setup without roaming surprises
• People who use maps and messaging all day
• Small groups who might share data with hotspot
• Travelers staying in Hanoi Old Quarter or arriving in Hanoi as their first Vietnam stop

It may not be the best fit if:

• You need calls and SMS
• Your phone cannot be used with eSIM and you are not staying in the Hanoi area
• You prefer to rely on hotel Wi-Fi and only need occasional internet

Should You Book This VietnamAsiaTrip Viettel SIM?

I’d book it if your priority is reliable daily data and you want a low-friction start in Hanoi. For $12, the math works out when you actually use your phone for navigation, plans, and communication. The biggest reason to choose it is the combination of Viettel network access and a setup that is designed to get you working quickly, not weeks from now.

I’d skip it if voice calls or SMS are essential for you, or if your phone cannot use eSIM and you are traveling far from the Hanoi area without a physical SIM option. If you fall into that group, you’ll want a different plan that clearly matches your phone and communication needs.

FAQ

How much does the Vietnam: Tourist SIM Card with Mobile Data 5G/4G cost?

The price listed is $12 per person.

How long is the SIM valid?

It’s valid for 15 to 30 days. You should check availability to see starting times.

How much high-speed data do I get?

You get 5GB of high-speed data per day.

Does this SIM support calling and SMS?

No. It supports sim only Internet access and does not include voice calling or SMS messaging.

Where can I pick up the SIM in Hanoi?

You can pick it up at the Vietnam Asia Office at 131 Hang Bong Street. If you are in Hanoi Old Quarter, the SIM can be brought to your hotel.

What happens if I’m not in Hanoi?

If you are in locations other than the Hanoi area, only eSIM is supported, not a physical SIM.

What do I need on my phone before activation?

Your phone must be SIM unlocked. If you are using eSIM, your phone must support eSIM.

Can I activate the SIM anywhere in Vietnam?

Yes. You can activate the SIM anywhere in Vietnam.

What are the office hours in Hanoi?

The office hours are Monday to Sunday, 9:00 AM to 10:00 PM.