eSIM for Vietnam Roampass
eSIM for Vietnam flag

eSIM for Vietnam

Use your phone in Thailand like at home.

boltInstant QR flight_landConnect after landing smartphoneKeep your SIM currency_poundNo roaming fees
boltInstant QR flight_landConnect after landing smartphoneKeep your SIM currency_poundNo roaming fees

Pick your data and trip length.

How much data?
How long is your trip?
Your travel plan — · —
Recommended

Good for maps, messaging and travel apps.

Total £6.99
— per day

Secure checkout. Delivered digitally after purchase.

Apple Pay Google Pay Mastercard Shop Pay Visa

eSIM details

Network MobiFone，Viettel
Speed 4G, 5G
Hotspot Allowed
Activation QR code scan
Compatibility

Check your phone in seconds

Most modern phones support eSIM. Check before checkout to avoid surprises.

smartphone
iPhone support
XS, XR and newer models usually support eSIM.
1

Open Settings

2

General → About

3

Find EID

4

eSIM supported

android
Android support
Pixel, Samsung S/Z series and newer flagships usually support eSIM.
1

Open Settings

2

SIM settings

3

Find Add eSIM

4

Available = supported

Carrier-locked or region-specific models may not support eSIM.
verified_user
Buy with confidence

14-day refund review for unused eSIMs

If your eSIM cannot connect to a supported local network and has not been heavily used, contact support within 14 days of purchase and we’ll review the issue.

  • check_circle Support for genuine connection issues
  • check_circle Fast help before and during travel
  • check_circle Refund eligibility depends on activation and usage status
Vietnam travel eSIM

Prepaid mobile data for Vietnam airport arrivals, Grab rides and coast-to-city routes.

Best for travellers visiting Vietnam who want data for airport pickups, maps, ride apps, hotel check-ins and multi-city travel without daily roaming surprises.

verified

Core benefits

Keep mobile data ready for Google Maps, Grab, booking confirmations, hotel details, airport transfers and route planning around Vietnam.

travel_explore

Best for

Hanoi arrivals, Ho Chi Minh City stays, Da Nang beach trips, Hoi An visits, Ha Long Bay routes and wider Vietnam travel plans.

compare_arrows

Compared with roaming

Use prepaid data upfront instead of daily roaming add-ons or searching for local SIM counters after arriving in Vietnam.

location_on

Popular Vietnam routes

Useful for Hanoi, Ho Chi Minh City, Da Nang, Hoi An, Nha Trang, Ha Long Bay and airport-to-hotel travel days.

Coverage may vary in mountains, rural areas, ferries, islands, tunnels and dense indoor transport hubs.
Travel resources

Travelling to Thailand?

Read our Thailand eSIM guide and travel tips before you fly. Learn about setup, compatibility, mobile data, airport arrival and everyday travel apps.

Read eSIM guide Travel tips
Comparison

Why choose us?

A clear side-by-side comparison to show how our travel eSIM experience differs from a local SIM or a basic limited-data eSIM.

Roampass eSIM
Local SIM
Basic eSIM
all_inclusive
Flexible high-data options
check
close
close
payments
Clear upfront pricing
check
close
close
bolt
Instant setup
check
close
check
network_check
Reliable travel coverage
check
check
close
People also ask

Questions travellers ask before buying a Vietnam eSIM

Clear answers about using a Vietnam eSIM for roaming, maps, messages, airport arrivals, phone compatibility and travel data.

Do I need an eSIM for Vietnam?

A Vietnam eSIM is useful if you want mobile data as soon as you arrive, without relying on airport Wi-Fi, hotel Wi-Fi or expensive roaming from your home network. It is especially helpful for maps, transport apps, hotel messages and travel bookings.

Is a Vietnam eSIM better than roaming?

For many travellers, yes. A Vietnam eSIM gives you a clear prepaid data allowance and price before you travel, while roaming can involve daily charges, add-ons or unexpected pay-as-you-go data costs depending on your home mobile provider.

Can I keep my normal SIM and phone number while using this Vietnam eSIM?

Yes. In most phones, your travel eSIM can be used for mobile data while your normal SIM stays active for calls, texts or banking messages. You do not usually need to remove your physical SIM card.

Should I install my Vietnam eSIM before I travel?

Yes, it is usually better to install your eSIM before departure while you still have stable Wi-Fi. In most cases, you should only activate or start using the plan when you arrive in Vietnam, so the validity period is used during your trip.

What can I use a Vietnam eSIM for when travelling?

You can use mobile data for maps, messaging, hotel check-ins, transport apps, translation, email, travel bookings, ride apps and everyday browsing. Coverage and speed depend on the local mobile network and the area you are visiting.

Will my phone work with a Vietnam eSIM?

Your phone must support eSIM and be network-unlocked. Many recent iPhone, Samsung Galaxy, Google Pixel and flagship Android models support eSIM. Check your phone settings for “Add eSIM” or “Add mobile plan” before buying.

Does this Vietnam eSIM include calls and SMS?

Most travel eSIM plans are data-only. You can still use internet-based services such as WhatsApp, iMessage, FaceTime, Messenger, maps, email and translation apps while connected to mobile data in Vietnam.

What happens if I use all my Vietnam eSIM data?

If you use all your data, you can buy another eSIM plan when needed. There is no physical SIM swap, so adding more travel data is usually easier than finding a local SIM card during your trip.