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Vietnam eSIM
Vietnam is the kind of country where having mobile data changes your entire trip. From booking a Grab bike through Hanoi's Old Quarter traffic to pulling up the best banh mi spot in Ho Chi Minh City, your Vietnam eSIM keeps you connected on local networks from the moment you land. No SIM card queues at Noi Bai or Tan Son Nhat, no registration forms, no roaming fees.
Travelling somewhere else?
How does prepaidsims compare?
- AUD Pricing
- No Roaming Fees
- Flexible Data Options
- Local Phone Number
- Easy Setup
- Aussie Support
- Money Back Promise
Int’l Roaming &
Others
- USD/EU Pricing
- Daily Fees & Charges
- Limited Data Options
- Restricted Number
- Complicated Setup
- Limited Support
- No Guarantees
How different travellers use a Vietnam eSIM
Vietnam has solid mobile coverage from the northern mountains to the Mekong Delta. Your Vietnam eSIM connects you to local networks for ride-hailing, navigation, translation and staying in touch. How much you rely on it depends on how you're travelling.
First-timers navigating the chaos
Vietnam's cities can feel overwhelming at first. The traffic in Hanoi and Ho Chi Minh City is legendary. Thousands of motorbikes weaving through every intersection with no apparent rules. Grab is the app that makes it manageable. It's Vietnam's main ride-hailing service for motorbike taxis and cars, and your Vietnam eSIM means you can book a ride from the airport the moment you land.
Google Maps works well across Vietnam for walking and driving directions. In the Old Quarter of Hanoi, where streets are named after the goods historically sold there, having live navigation saves you from walking in circles. In Ho Chi Minh City, the District system (District 1, District 3, Binh Thanh) makes more sense with a map open.
Google Translate's camera feature handles Vietnamese text reasonably well. Useful for menus at local restaurants where English options don't exist and for reading signs at train stations and bus terminals.
North to south by train or bike
The Reunification Express train from Hanoi to Ho Chi Minh City is one of Vietnam's iconic journeys. Coverage along the route is good through cities and towns but can drop in the long rural stretches between them. The most scenic section between Hue and Da Nang (the Hai Van Pass) has coverage at the main points.
If you're doing the motorbike route (Ha Giang Loop, Ho Chi Minh Trail or the coastal road), your eSIM keeps Google Maps running for navigation. Coverage is strong in towns and along main highways. Remote mountain passes in Ha Giang and Sapa may have weaker signal, so download offline maps before heading into the highlands.
The overnight sleeper buses between major cities have variable coverage en route, but you'll always have signal at departure and arrival points.
Beach and resort travellers
Da Nang, Hoi An, Nha Trang, Phu Quoc and Mui Ne all have strong mobile coverage. Your eSIM handles restaurant bookings, tour reservations and sharing photos without issues.
Hoi An is one of those places where having data makes a real difference. The tailors, the lantern-lit Old Town, the cooking classes and the beach are all spread across different areas. Google Maps and Grab get you between them easily.
Phu Quoc has good coverage across the island's main areas. The northern tip and some remote beach stretches may have weaker signal, but the main resort areas, night market and town centre are well covered.
Trekking and adventure in the north
Sapa, Ha Giang and the northern highlands are where coverage gets thinner. Sapa town has strong signal, and the main trekking routes to Cat Cat Village and nearby valleys have usable coverage for most of the walk. Deeper treks into more remote Hmong and Dao villages may lose signal.
The Ha Giang Loop has coverage in towns like Dong Van, Meo Vac and Yen Minh, but the mountain passes between them can be patchy. Download offline Google Maps before you start the loop.
For most phones, your Australian SIM stays active alongside your Vietnam eSIM for banking codes and verification messages. Just switch its mobile data off to avoid roaming charges.
Before you fly
- Download Grab before you arrive. It's essential for getting around Vietnamese cities safely and affordably. Motorbike taxis through Grab are the fastest way to move in Hanoi and Ho Chi Minh City traffic.
- Save offline Google Maps for any motorbike or trekking routes. Coverage is strong in towns but can thin out on remote mountain passes and rural stretches.
- Download the Vietnamese language pack in Google Translate. The camera translation feature helps with menus, signs and timetables. Having the pack downloaded means it works faster and uses less data.
- Keep your Aussie SIM active for banking codes. Your Vietnam eSIM runs alongside your existing Australian number on most phones. Switch your Aussie SIM's mobile data off to avoid roaming charges.
How much Vietnam eSIM data do you need
City days in Hanoi and Ho Chi Minh City use more data than beach days. Grab rides, Google Maps navigation and photo sharing keep things ticking. Beach and resort stays are lighter on data.
- 5GB suits a short city break or beach stay of 3-5 days.
- 10-30GB covers a standard two-week north-to-south trip comfortably. This is what most travellers pick.
- 30GB+ or unlimited suits extended stays, digital nomads or anyone doing a lot of video calling home.
Vietnam eSIM FAQs
Will my Vietnam eSIM work in Sapa and the northern highlands?
Yes, with some caveats. Sapa town has strong coverage and the main trekking routes have usable signal. The Ha Giang Loop has coverage in towns but mountain passes between them can be patchy. Download offline Google Maps before heading into remote areas.
Can I use my Vietnam eSIM for Grab?
Absolutely. Grab is Vietnam's main ride-hailing app for motorbike taxis and cars. Your Vietnam eSIM means you can book rides from the airport, navigate city traffic safely and get around without negotiating fares. It works in Hanoi, Ho Chi Minh City, Da Nang, Nha Trang and most other tourist cities.
Does Google Maps work well in Vietnam?
Yes. Google Maps provides accurate driving, walking and motorbike directions across Vietnam. It's the best navigation tool for visitors and works reliably in cities, coastal areas and along major highways. For remote northern routes, download offline maps as a backup.
How do I set up my Vietnam eSIM?
After purchasing, you'll receive an email with a QR code. Scan it in your phone's settings to install the eSIM profile. You can do this at home before your trip. When you land in Vietnam, switch your data to the new eSIM line and you're connected.
Is a Vietnam eSIM cheaper than roaming with my Aussie carrier?
Significantly. Australian carriers charge steep daily rates for international roaming. A Vietnam eSIM is a flat, prepaid cost for your entire trip. No daily charges, no bill shock when you get home.
Can I make phone calls with a Vietnam eSIM?
Our Vietnam eSIM plans are data-only. For calls and texts, use WhatsApp, Messenger or FaceTime over your Vietnam eSIM data connection. They work perfectly and are free. Zalo is Vietnam's most popular local messaging app if you need to contact Vietnamese businesses.
Can I use my Vietnam eSIM in other Asian countries?
If you purchased a regional Asia eSIM plan, yes. The Asia eSIM covers 13 countries including Vietnam, Thailand, Japan, Singapore and more. If you purchased a dedicated Vietnam-only plan, it covers Vietnam only.
Heading to other parts of Southeast Asia? Our Thailand eSIM plans keep you connected from Bangkok to the islands. We also have a Cambodia eSIM if you're crossing the border and an Asia eSIM covering 13 countries on a single plan. If your phone doesn't support eSIM, our Vietnam SIM card ships to your door before you fly.