eSIM for Vietnam: Prices, Activation Guide and Many More
I activated my eSIM for Vietnam at home, boarded my flight, and when I landed in Hanoi my phone simply connected. No queue, no paperwork, no bargaining for a “tourist SIM”. It felt like cheating – in the best way.
In this guide, I’m going to share everything I’ve learned from using esim vietnam across Hanoi, Sa Pa, Da Nang, Hội An, Nha Trang and Ho Chi Minh City:
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How eSIM for Vietnam actually works (without jargon)
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The best esim vietnam plans for different traveler types
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Realistic data amounts, so you don’t overpay or run out
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Step-by-step activation and quick troubleshooting
Why Use an eSIM for Vietnam Instead of a Physical SIM?
You can still do the classic thing: land, walk to a Viettel/Vinaphone/Mobifone kiosk, buy a physical SIM, and have the staff set it up for you.
It works. But here’s why I almost always recommend esim vietnam now:
1. No airport stress
With an eSIM for Vietnam, you:
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Buy your plan online at home
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Scan a QR code
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Land with data already working
Instead of:
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Hunting for a kiosk
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Standing in a queue
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Trying to understand data/voice bundles when you’re jet-lagged
2. No tiny plastic card
An esim vietnam profile lives digitally in your phone. You don’t:
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Open your SIM tray in a taxi
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Risk losing your home SIM in a hostel dorm
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Deal with snapping or misplacing plastic cards
3. Usually cheaper than roaming
Most home carriers still charge silly roaming rates for Southeast Asia. A good esim vietnam plan typically gives you several GB (or even unlimited data) for less than what some networks charge per day of roaming.
4. Perfect for multi-country trips
If your route is something like Thailand → Vietnam → Cambodia → Malaysia, a regional Asia eSIM can cover multiple countries with one profile. No more SIM-shopping every time you cross a border.
Is Your Phone Ready for esim vietnam?
Before we dive into the best plans, let’s tick the boring-but-important boxes.
You need:
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A phone that supports eSIM
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A phone that is unlocked (not restricted to one carrier)
Phones that usually support eSIM
Most newer devices do, including:
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iPhone: XS / XR and all newer models
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Google Pixel: recent generations
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Samsung: newer Galaxy S / Note / Z Flip / Z Fold
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Many 2021+ Android flagships (OnePlus, Xiaomi, etc.)
How to check on iPhone
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Go to Settings → General → About
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Scroll down and look for “Digital SIM” or an “EID” number
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If you see either, your iPhone can use esim vietnam
How to check on Android (Pixel / Samsung)
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Go to Settings → Network & Internet / Connections
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Tap SIMs / SIM Manager
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If you see “Add eSIM” or “Download eSIM”, your phone supports eSIM
Important: If your phone is carrier-locked (e.g. stuck to one operator), some esim vietnam plans might not work. If in doubt, ask your carrier to confirm it’s unlocked before you travel.
How Does an eSIM for Vietnam Actually Work?
Let me strip away the jargon and explain how esim vietnam works in real traveler terms.
When you install an eSIM, you’re basically adding a digital SIM profile that tells your phone how to connect to local Vietnamese networks (Viettel, Mobifone, Vinaphone, etc.).
The simple flow
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You choose a plan
On an eSIM provider’s site or app, you pick Vietnam (or an Asia regional plan), select how much data you want and for how many days. -
You receive a QR code or install link
This QR code contains your esim vietnam profile. -
You install the eSIM profile over Wi-Fi
Your phone downloads the profile and stores it alongside your physical SIM. -
You land in Vietnam
When you turn off airplane mode, your phone connects to a local partner network using the esim vietnam profile. -
You set eSIM as your data line
You can keep your regular SIM active for your existing number and use the eSIM only for data.
That’s it. No shop, no plastic, no drama, just a digital SIM quietly working in the background.
Best esim vietnam Providers in 2026 (My Honest Shortlist)
There are lots of eSIM brands now, and it can feel overwhelming. From my experience (and way too many tabs open at 2 a.m.), these are the esim vietnam options I’d actually look at.
I’m not sponsored by any of them. This is just what has worked for me and other travelers I talk to.
1. Airalo – Best Budget & Beginner-Friendly esim vietnam
If you want something straightforward and affordable, Airalo is almost always in my top 3.
Why I like it:
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Clear Vietnam-only eSIM plans (for example: 1GB, 3GB, 5GB, 10GB, 20GB)
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Validity ranges from a few days up to around a month
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Uses strong local networks (often Viettel or Mobifone) with wide coverage
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Everything happens through a simple app: buy → install → top up → track data
Best for:
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First-time eSIM users
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Backpackers and short-trip travelers
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People who like to see exact GB limits and not worry about “fair use” small print
2. Nomad – Great Value esim vietnam for Bigger Data
If you work remotely or know you’ll be using a lot of data, Nomad is a strong esim vietnam option.
What I like about Nomad:
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Multiple Vietnam plans with bigger data buckets (10GB, 20GB and more)
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Some unlimited-style or high-cap options
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Good speeds in cities and tourist spots
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A clean app that makes it easy to see what you’re getting
When I stayed in Da Nang for a couple of weeks doing client work, my Nomad esim vietnam handled:
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Zoom calls
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Google Drive/Notion
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Maps, ride-hailing and delivery apps
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Social media, streaming, and the usual travel chaos
Best for:
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Digital nomads
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Travelers who need 15–30GB instead of a tiny tourist pack
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Anyone who wants a balance between price and reliability
3. Holafly – Best Unlimited Data eSIM for Vietnam
If you’re the “I always hit the limit” person, Holafly might be your best friend.
Why people love it:
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Offers unlimited-data eSIM for Vietnam (and often Asia-wide)
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You choose the number of days (e.g., 5, 7, 10, 15, 30…) instead of the number of GB
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Very friendly onboarding and good support for non-techy travelers
I used Holafly as my esim vietnam on a trip from Hanoi to Sa Pa to Ha Long Bay, where I was constantly filming and posting. Not having to check “how many GB do I have left?” felt so freeing.
But be aware:
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“Unlimited” doesn’t mean infinite at full speed, most plans have a fair-use policy and may slow down after heavy use
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Hotspot/tethering is often restricted or limited, so check the details if you plan to share your data with a laptop
Best for:
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Heavy social media users and content creators
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People who hate tracking data usage
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Travelers who will mostly use data on their phone (not as a hotspot)
4. Local-Style esim vietnam Providers (MicroEsim, Maaltalk, etc.)
There are also smaller, more “local-style” esim vietnam brands that can give you very competitive pricing and good performance:
Common benefits:
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Plans tailored specifically to Vietnam (1–30 days, 1–20GB, sometimes more)
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Use multiple Vietnamese networks (Viettel, Mobifone, Vinaphone) for better coverage
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Often allow hotspot/tethering with clear, simple rules
These are great if you don’t mind using a slightly less famous global brand in exchange for more control and sometimes lower cost per GB.
Best for:
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Longer stays where you care a lot about cost per GB
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Travelers who read the details and don’t just click the first big brand they see
5. Local Telco eSIMs (Viettel / Vinaphone / Mobifone)
If you’re staying in Vietnam for a while, or need a local phone number plus data, you can:
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Buy a local SIM from Viettel/Vinaphone/Mobifone
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Then convert it to eSIM at their official store (they transfer your number to an eSIM profile)
Pros:
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Local rates (often very cheap)
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Calls + SMS + data
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Strong nationwide coverage
Cons:
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Requires an in-person visit
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Some basic paperwork / registration
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Less “plug-and-play” than a pure travel esim vietnam
Best for:
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Long-term stays (1–3 months or more)
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Students, expats, or slow travelers who want a full local plan
How Much Data Do You Really Need on an esim vietnam?
Data anxiety is real, especially if you work online. Here’s how I think about esim vietnam data usage.
Light user (5–7 days)
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3–5GB total
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You mostly rely on Wi-Fi in hotels/hostels
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Use maps, Grab, messages, light socials, a bit of browsing
Normal user (10–14 days)
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8–15GB total
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Daily Google Maps
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Grab/ride-hailing and food apps
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Instagram, TikTok, YouTube
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Some email / cloud documents
Heavy user / remote worker (2–4+ weeks)
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20–40GB or an unlimited esim vietnam
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Regular video calls
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Streaming + music
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Uploading content
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Hotspot for laptop or tablet
Personally, I prefer to slightly over-estimate. I’d rather finish my trip with 2GB unused than sit in Hội An on my last night desperately hunting for a new plan.
Step-by-Step: How to Activate Your esim vietnam
The menus look slightly different on iPhone and Android, but the process is almost identical for all providers.
1. Buy your eSIM plan
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Go to your chosen esim vietnam provider (Airalo, Nomad, Holafly, etc.)
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Select Vietnam (or Asia/SEA regional if you’re visiting multiple countries)
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Choose data amount + validity period
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Pay online (card, PayPal, Apple Pay, etc.)
You’ll receive either:
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A QR code, and/or
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An in-app install flow
2. Connect to Wi-Fi
Before you install the eSIM profile, make sure you’re on reliable Wi-Fi (home, office, hotel).
3. Add the eSIM on your phone
On iPhone
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Open Settings → Mobile Data / Cellular
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Tap Add eSIM / Add Cellular Plan
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Choose “Use QR Code” and scan the code
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Or, if your provider has an app option, choose “From App”
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Follow the prompts until the esim vietnam is added.
On Android (Pixel / Samsung / others)
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Open Settings → Network & Internet / Connections
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Tap SIMs / SIM Manager → Add eSIM
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Scan the QR code or choose the “Download eSIM” option from your provider’s app
When it’s done, you’ll see your Vietnam eSIM listed alongside your physical SIM.
4. Label the line
Give the new line a clear name like “Vietnam eSIM” so you don’t confuse it later.
5. Set the default data line
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Set your esim vietnam as the default for Mobile Data
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You can keep your home SIM active for calls/SMS and WhatsApp
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Or you can disable your home SIM completely if you want zero roaming risk
6. Turn on Data Roaming (for the eSIM only)
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Go to the settings for the esim vietnam line
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Turn Data Roaming: ON
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Keep Data Roaming for your home SIM OFF (unless you specifically want to roam on it)
7. Test when you land
When you arrive in Vietnam:
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Turn off airplane mode
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Wait a minute or two for the eSIM to connect
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Open Google Maps or a browser
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Confirm you have working data before you leave the airport
Troubleshooting: When Your esim vietnam Misbehaves
Even with the best plan, things can go weird. Here’s my quick “fix it fast” list.
| Problem | Quick fix |
|---|---|
| No signal after landing | Toggle Airplane Mode off/on, then fully restart your phone |
| Bars but no data | Make sure Mobile Data + Data Roaming are ON for the eSIM line |
| eSIM won’t install | Update iOS/Android, try again on stronger Wi-Fi, or restart your phone |
| Very slow data | Move outside, switch 5G ↔ 4G, or wait out peak congestion |
| Hotspot not working | Check if your plan allows tethering (unlimited plans often restrict it) |
If everything looks right and it still doesn’t work, contact your provider’s support from the airport Wi-Fi before you leave, much easier than trying to fix it on a bus to the city.
FAQ: esim vietnam (2026)
1. Is esim vietnam really cheaper than roaming?
In almost every situation I’ve seen: yes.
Most roaming packages for Vietnam from Western carriers are expensive and limited. A dedicated esim vietnam from a travel provider typically gives you much more data for the same price, or less.
2. Can I use WhatsApp with an eSIM for Vietnam?
Yes, totally.
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Keep your physical SIM (with your regular number) in the phone
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Use esim vietnam only for data
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WhatsApp will continue to use your existing number as long as you don’t change it in settings
3. Do esim vietnam plans include calls and SMS?
Most esim vietnam options for travelers are data-only. For calls and SMS you’ll typically:
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Use apps like WhatsApp, Telegram, FaceTime, Skype, etc.
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Or get a local SIM/eSIM from a Vietnamese telco if you need a proper local number
If calls/SMS matter to you, check the plan details specifically for “voice” and “SMS”.
4. Can I share my connection (hotspot) using esim vietnam?
Often yes, but not always.
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Fixed-data plans (Airalo, Nomad, many local-style providers) usually allow hotspot/tethering
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Unlimited esim vietnam plans (like many Holafly options) often limit or block hotspot or have separate fair-use caps
Always read the “hotspot/tethering” line before you buy.
5. When should I install my eSIM for Vietnam?
My recommendation:
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Install and test your esim vietnam before you fly, while you have reliable Wi-Fi
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You can keep the line off until you land if you want to save battery
If something goes wrong, you’d much rather fix it on your sofa than in a crowded arrival hall with spotty Wi-Fi.
6. Can I reuse my esim vietnam on future trips?
It depends on the provider:
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Some let you top up or add new packages to the same eSIM profile (great if you’ll be back)
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Others treat each QR code as one-time use
General rule: don’t delete your eSIM profile until you’re absolutely sure you don’t need it again.
7. Is esim vietnam safe?
Yes. eSIM is a standard used by Apple, Samsung, Google and major carriers worldwide.
To stay safe:
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Buy esim vietnam only from reputable providers or official telcos
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Avoid scanning random QR codes from strangers or shady websites
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Keep your phone secured with a PIN/biometrics
How I Choose an esim vietnam (Elena’s Shortcut)
Here’s my honest decision tree for Vietnam:
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1 week in Hanoi + Ha Long Bay, normal usage
→ Airalo or Nomad esim vietnam with 5–10GB -
2–3 weeks backpacking (HCMC, Da Lat, Da Nang, Hội An)
→ Nomad or Airalo 15–25GB plan, or a local-style esim vietnam with similar data -
3–4 weeks remote work (Da Nang, Nha Trang, HCMC)
→ Nomad or Airalo 30–40GB plan, or Holafly unlimited esim vietnam if I know I’ll stream and video call a lot -
Need a Vietnamese number + calls/SMS
→ Local telco SIM (Viettel/Vinaphone/Mobifone) converted to eSIM in-store
Once you experience landing in Vietnam, turning off airplane mode and walking straight to your taxi with your esim vietnam already online, maps working, Grab ready, and no “find the SIM shop” quest, it’s very hard to go back to the old way.