Reviewed · HANOI
Viettel SIM for Vietnam – 30 Days, 5GB Per Day | eSIM & Physical
No-BS airport connectivity for Vietnam. This Viettel data SIM is built for one thing: getting you online fast at Noi Bai Airport for a full 30 days of 5GB per day across Vietnam. I like the practical 24/7 support and counter setup, plus the straightforward plan structure that fits real travel days. One thing to watch: it’s data-only (no voice/SMS), so plan your apps for calls and messaging.
If you’re landing in Hanoi and want internet for maps, rides, tickets, and translations, this kind of airport SIM is exactly the “first day” fix. You’ll also have options for modern phones with eSIM or the classic physical sizes, which removes a lot of uncertainty. The only real catch is that data plans work best when you keep an eye on your daily usage, because 5GB/day is a limit, not unlimited.
In This Review
- Key Highlights Before You Buy
- Why This Viettel Data SIM Works Well for a First Day in Vietnam
- Noi Bai Airport Pickup: What to Expect at the Counter or Kiosk
- SIM Choices: eSIM or Physical Sizes Without Guessing
- 5GB Per Day for 30 Days: How to Think About Speed and Limits
- Coverage Across Vietnam: From Hanoi to Sapa, Ha Giang, and Phu Quoc
- Registration and Data-Only Service: The Small Details That Matter
- Keeping Your Trip Moving: Practical Tips for Getting Online Fast
- Price and Value at $13.80 for 30 Days of Data
- Who This Airport SIM Is Best For
- Should You Book This Viettel SIM for Vietnam?
- FAQ
- Where do I pick up the Viettel SIM?
- How long is the SIM valid?
- How much data do I get each day?
- Is this SIM for data only?
- Does it work across all of Vietnam?
- What phone types can use it?
- Is eSIM available or only physical SIM cards?
- Can I cancel and get a full refund?
Key Highlights Before You Buy

- Pickup right at Noi Bai Airport so you can start using data the moment you land
- 5GB per day for 30 days across Vietnam, including 4G/LTE/5G
- eSIM or physical SIM sizes included so you’re not stuck hunting the right form factor
- Nationwide coverage that suits both city days and longer intercity routes
- 24/7 hotline and 24/7 open counter for late arrivals and early departures
- Data-only plan that works with unlocked phones, ideal for maps and messaging apps
Why This Viettel Data SIM Works Well for a First Day in Vietnam

The smartest travel moment is the one right after you land. You’re tired, you’re unfamiliar with the area, and you still need data to find your way, confirm transport, and handle bookings. This plan is designed around that reality with a 30-day Viettel data SIM that you can get at Noi Bai.
I especially like that it’s not trying to be fancy. You get a clear package: 5GB each day for a month, with 4G/LTE/5G listed as supported. That simple setup helps you plan without constantly guessing whether you’ll run out mid-trip.
The other big plus is the type of connectivity you actually use on the road. Even if you’re not streaming video, data is what keeps your trip practical: map directions, translation, ride-hailing, and checking the right address before you walk in. And because the SIM is nationwide, you’re not forced into a “Hanoi-only” mindset.
Not sure yet? See how this one sits next to a few Hanoi favourites.
Noi Bai Airport Pickup: What to Expect at the Counter or Kiosk

This is an on-arrival service at Nội Bài International Airport (Hanoi), in the Phú Minh, Soc Son area. Your experience starts and ends at the airport meeting point, which matters because you don’t need to hunt for a store across town after a long flight.
It runs daily from 12:00 AM to 11:30 PM during the listed operating dates. That’s a big deal for Vietnam travel, where flights can land at odd hours and you still need something that works right away.
Here’s the practical version of how the pickup usually feels. You’ll find the correct kiosk or counter at the airport, get set up quickly by trained staff, and then you’re connected. One helpful real-world detail: even when someone went to a random kiosk first, they got directed to the right one and the process still took about 5 minutes, including getting online. That’s what you want after landing.
Also note: the service includes 24/7 support hotline and a 24/7 open counter. If something doesn’t work on the first try, you’re not stuck until morning.
SIM Choices: eSIM or Physical Sizes Without Guessing
You don’t need to bring a specific SIM cutter decision or guess what slot your phone has. The package includes eSIM plus physical options in nano and micro/mini, with multiple sizes covered. That reduces the most common travel stress: realizing your phone needs a different SIM size than what you expected.
If you prefer eSIM, you can go that route, which is often the cleaner option for travelers who hate juggling plastic cards. If you prefer physical, the included sizes help you match what your device uses.
This SIM is also listed as working with all unlocked smartphone models. If your phone is carrier-locked, you’ll want to check before buying, because an unlocked requirement is one of those details that can make or break your trip.
In other words, you’re buying a plan that tries to meet you where you are: modern phones, older phones, and everything in between.
5GB Per Day for 30 Days: How to Think About Speed and Limits

Let’s translate the plan into traveler math. With 5GB per day for 30 days, the maximum data is effectively up to 150GB total if you use the full daily limit every day. For most trips, that’s usually plenty for maps, messaging, and general browsing, especially if you’re not constantly uploading large photos or streaming heavily.
The speed is listed as 4G/LTE/5G, which is helpful because Vietnam’s network quality varies by area. In practice, this is one of those “you’ll notice it when you need it” services. You want your directions to load, your ride pickup to work, and your messages to send without drama.
You should also treat the plan as data-only. No voice/SMS means you should rely on WhatsApp, Messenger, iMessage, Telegram, or your phone’s internet calling options. If your travel style depends on texting a local number the old-school way, this might feel restrictive.
Still, for most modern travelers, data-only is not a drawback. It’s the simplest path to reliable internet without paying for features you won’t use.
Coverage Across Vietnam: From Hanoi to Sapa, Ha Giang, and Phu Quoc

The coverage is listed as nationwide across Vietnam, not a limited-region plan. That matters because Vietnam travel often changes gears fast: you start in Hanoi, then go north, then head to islands or the south depending on your route.
If your itinerary includes Hanoi plus longer hops like Sapa and Hà Giang, you’ll likely value having one consistent SIM instead of repeatedly buying new cards. And if you switch to a totally different environment like Phú Quốc, having nationwide support listed means you can keep your same number and plan logic.
One strong review detail matches this use pattern: good 5G/LTE performance across a trip that included Hanoi, Sapa, Ha Giang, and Phu Quoc. That’s exactly what you’d hope for from a “one SIM for the whole country” service.
The takeaway for you: this is a good fit if you want fewer purchases and fewer “wait—what SIM did I buy?” moments during transit days.
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Registration and Data-Only Service: The Small Details That Matter

Vietnam has rules around SIM registration, and this service states it includes official SIM registration compliant with Vietnamese law. That’s a key practical factor. It’s not just a checkbox; it’s what helps keep your service stable and usable during your stay.
Your SIM is data only, so you’ll want to be ready with internet-based communication. I recommend you test your apps before you leave the airport area, especially if you’re the type who relies on a phone number for login codes. If your bank or airline account requires SMS verification, you’ll want to confirm you won’t get locked out.
Also, the service is described as usable with unlocked smartphones, so double-check your phone status if you’re on a locked device.
When these details are handled properly upfront, you spend more time exploring and less time troubleshooting.
Keeping Your Trip Moving: Practical Tips for Getting Online Fast

Airport SIM setups are either painless or annoying. You can tip the odds toward painless with a few simple moves.
First, have your phone ready for quick setup. If you’re using eSIM, make sure your device is set to accept it and that you know where your settings app lives. If you’re using a physical SIM, keep your phone screen awake while the staff helps you complete the install.
Second, be clear on what you need data for. If your first priority is Google Maps, ride-hailing, or grabbing the right address, start with those apps. Once you confirm maps and messaging work, your nervous system settles.
Third, know that the setup is designed to be fast. That five-minute success story (with staff help that got someone to the right kiosk quickly) is a good sign. But still, I’d show up with a little patience, because airports have crowds.
Finally, keep an eye on daily usage. Data-only plans with daily limits work best when you’re intentional—use Wi-Fi where you can, and save heavy usage (video streaming or big photo uploads) for times you’re not watching your daily 5GB count.
Price and Value at $13.80 for 30 Days of Data

At $13.80 per person, you’re paying for a month of nationwide data with 5GB/day, plus the convenience of an airport pickup. The “value” part isn’t only the number. It’s what you avoid: time spent searching for a SIM after you’re already jet-lagged, and the risk of buying something that doesn’t work with your phone.
If you compare the plan structure, the math looks strong: 30 days × 5GB/day gives you up to 150GB total potential usage. Even if you don’t use every day fully, you still get a lot of room for normal travel habits across multiple regions.
This price also includes official registration handling, which can be the difference between a SIM that works reliably and one that turns into a puzzle later.
The biggest reason this feels like good value is the match between product and problem. Your problem is connectivity on arrival, and the solution is the airport counter with trained staff, 24/7 support, and a plan that works immediately.
Who This Airport SIM Is Best For
This service is a strong fit for you if:
- You land in Hanoi and want internet right away through the whole trip
- You’re doing a mix of places (city days plus longer travel)
- You want one SIM plan instead of replacing it after every leg
- You use data-first communication apps and don’t depend on SMS/voice
It might be less ideal if you must have voice/SMS services, or if you rely heavily on SMS-based login codes without alternative verification methods. The plan is clearly described as data only, so that limitation won’t surprise you if you read it before buying.
Should You Book This Viettel SIM for Vietnam?
I’d book it if your priority is simple airport connectivity and a single plan that lasts your whole Vietnam stretch. The Noi Bai pickup, 24/7 support, and the included eSIM/physical sizes check the boxes that matter most when you’re arriving tired.
Skip it only if you know you need voice/SMS or you’re on a locked phone. If you’re unlocked and data-forward, this looks like a tidy, practical value buy for a month in Vietnam.
FAQ
Where do I pick up the Viettel SIM?
You pick it up at Nội Bài International Airport (Hanoi), at the listed meeting point in Phú Minh, Soc Son, Hanoi, Vietnam.
How long is the SIM valid?
The Viettel data SIM is valid for 30 days.
How much data do I get each day?
You get 5GB of data per day.
Is this SIM for data only?
Yes. It’s data only, with no voice/SMS.
Does it work across all of Vietnam?
Coverage is listed as nationwide across Vietnam.
What phone types can use it?
It works with all unlocked smartphone models.
Is eSIM available or only physical SIM cards?
Both are available. The package supports eSIM and physical SIM sizes (including nano, micro, and mini).
Can I cancel and get a full refund?
Yes, there is free cancellation. You must cancel at least 24 hours in advance for a full refund.












