Staying connected in Vietnam is cheap and easy. For under $10, you can have unlimited data for your entire trip. Here’s everything you need to know about getting a Vietnamese SIM card.

Why Get a Local SIM?

• Data is essential: Grab, Google Maps, Google Translate – you’ll need data constantly
• Incredibly cheap: $5-10 for a month of unlimited data
• Works everywhere: Coverage is excellent, even in rural areas
• Local calls: Book restaurants, confirm tours, call hotels

Major Providers

Viettel

• Largest network, best coverage nationwide
• Strongest in rural and mountainous areas
• Good choice if traveling off the beaten path

Mobifone

• Excellent in cities
• Competitive tourist packages
• Good data speeds

Vinaphone

• Reliable urban coverage
• Often slightly cheaper
• Can be weaker in remote areas

Where to Buy

Airport

• Official kiosks in arrival halls at Hanoi, HCMC, Da Nang airports
• Staff sets everything up for you
• Slightly more expensive but convenient
• Requires passport for registration

In the City

• Official carrier stores (blue Viettel, orange Mobifone)
• Convenience stores (Circle K, 7-Eleven)
• Phone shops everywhere
• Even better prices than airport

Tourist Packages

Typical tourist SIM packages:

• 7-day package: 50,000-100,000 dong (limited data)
• 30-day tourist SIM: 150,000-200,000 dong (usually unlimited data)
• Unlimited data: Actually unlimited, no throttling on most tourist plans

Setup Tips

1. Bring your passport – required for registration
2. Check your phone is unlocked – carrier-locked phones won’t work
3. Have the shop activate it – they’ll test everything
4. Save the activation number – needed for top-ups
5. Note your new number – useful for Grab, bookings

eSIM Alternative

If your phone supports eSIM, companies like Airalo offer Vietnam data plans you can buy before arrival. More expensive but zero hassle.

Using Your Phone

Essential Apps to Download

• Grab: Ride-hailing, food delivery, payments
• Google Maps: Navigation (download offline maps)
• Google Translate: Download Vietnamese for offline use
• WhatsApp/Messenger: Most hotels prefer these to calls

Troubleshooting

• No signal? Toggle airplane mode on/off
• Data not working? Check APN settings are correct
• Out of data? Top up at any convenience store