Vietnam Travel eSIM
Fast 4G/5G coverage via Viettel / Vinaphone. Instant QR activation, no SIM swap.
Plans starting from
- ✓Daily unlimited data (most plans)
- ✓QR code emailed in ~30 sec
- ✓4G/5G high-speed network
- ✓7-day refund if unactivated
Vietnam eSIM plans
10 plans from 1-day to 10-day. Pick the duration that matches your trip.
Validity: 1 days
Plan
Vietnam 1 Day
≈ HK$20 / day
Validity: 2 days
Plan
Vietnam 2 Day
≈ HK$14 / day
Validity: 3 days
Plan
Vietnam 3 Day
≈ HK$12 / day
Validity: 4 days
Plan
Vietnam 4 Day
≈ HK$10 / day
Validity: 5 days
Plan
Vietnam 5 Day
≈ HK$9 / day
Validity: 6 days
Plan
Vietnam 6 Day
≈ HK$9 / day
Validity: 7 days
Plan
Vietnam 7 Day
≈ HK$9 / day
Validity: 8 days
Plan
Vietnam 8 Day
≈ HK$9 / day
Validity: 9 days
Plan
Vietnam 9 Day
≈ HK$9 / day
Validity: 10 days
Plan
Vietnam 10 Day
≈ HK$9 / day
eSIM cannot be refunded once installed on device
Vietnam Network Coverage
Direct partnership with top local carriers — not an MVNO reseller.
Carriers
- Viettel
- Vinaphone
- MobiFone
Network Tech
Bands: B1 / B3 / B7 / B8 / B28
Typical speed: 15-60 Mbps urban; 5-25 Mbps Mekong / Ha Long
Viettel has widest rural coverage; 5G commercial rollout late 2024.
6 reasons to use ALT eSIM in Vietnam
Operated by a Hong Kong team. Running on Shopify as altsimcard.shop since 2024; self-hosted altesim.com passes the savings to you.
30-second delivery
QR code emailed instantly after Stripe payment — no shipping wait.
4G / 5G speeds
Top local carriers: Docomo, SoftBank, T-Mobile, Vodafone, and more.
Keep your number
eSIM runs alongside your physical SIM — keep receiving SMS on home line.
Stripe secured
Visa, Mastercard, Apple Pay, Google Pay — PCI-DSS Level 1 checkout.
HK-based support
WhatsApp & email in Cantonese / Mandarin / English — real humans.
Zero plastic
No physical card to manufacture or ship — lower carbon footprint.
How to install and activate the eSIM
Takes 2-3 minutes. Do it on home Wi-Fi before departure.
Choose plan & pay
Visa / Mastercard / Apple Pay / Google Pay
Receive QR code email
Arrives in your inbox within 30 seconds of Stripe confirmation
Install on Wi-Fi
iPhone: Settings → Cellular → Add eSIM; Android: Settings → Connections → SIM Manager
Enable on arrival
Turn on Data Roaming when you land
As featured on
What travellers say
「Used in Japan for 5 days — Docomo signal full bars on arrival, half the airport SIM price.」
— Chan from HK
「Bangkok solo trip 7 days, 3GB was enough, install was super simple.」
— Lam from TW
「Family Europe trip 15 days — multi-country plan, no need to swap between countries.」
— Wong from HK
Vietnam eSIM FAQ
8 most common questions. WhatsApp us if anything's missing.
Which carrier network does the Vietnam eSIM use?▼
Does my phone support eSIM?▼
How do I install? Do I need Wi-Fi?▼
Is it instant? When does the QR code arrive?▼
Can the eSIM make calls or receive SMS?▼
What if I can't connect after install?▼
What's the refund policy?▼
Does unused data carry forward?▼
Ready for Vietnam?
Pick a plan, receive your QR code in 30 seconds, connect on landing.
View all plans ↑