Vietnam eSIM
Da Nang, Nha Trang, Ho Chi Minh or Hanoi — land already online. Install your Roamis eSIM before you fly and connect the moment you arrive, with no SIM swap and no roaming bills.
- Delivered in minutes
- Perfect for a 45-day visa-free trip
- Keep your number
Vietnam eSIM plans
Choose how many days you’ll travel — validity starts when you connect, not when you buy.
- Funciona en tu teléfono actual
- Conexión automática al llegar
- Precios transparentes, sin cargos ocultos
- QR entregado al instante tras el pago
- Chat de soporte 24/7
- Reembolso en 90 días si no se usa
Instant — QR by email
Activate within 90 days
Si no has activado la eSIM (no has abierto el QR) tras la compra, recibes un reembolso total en un plazo de 90 días.
Select your plan
1 GB de alta velocidad al día, luego ilimitado hasta 128 kbps
Why travelers choose Roamis
Four things that actually matter on a trip.
Reliable
We connect through leading Vietnamese networks like Viettel and Vinaphone, so you get a stable signal in the cities, on the coast and at beach resorts.
Fast
Vietnam has wide urban 4G/LTE — plenty of speed for Grab, maps, translation and social.
Simple
No airport SIM-counter queue. One-touch setup — scan, install, done.
Global
One account from Vietnam across Southeast Asia. Top up or add a country when plans change.
Connected in three steps
From checkout to online in minutes.
Buy & receive
Pick your plan and get your eSIM QR by email within minutes.
Install
Scan the QR and add the eSIM to your phone before you fly.
Land & connect
Turn on the line when you arrive — you’re online instantly.
Frequently asked questions
Yes. Roamis connects through major Vietnamese networks like Viettel and Vinaphone, covering Hanoi, Ho Chi Minh City, Da Nang, Nha Trang, Phu Quoc and most urban and coastal areas.
Korean passport holders can enter Vietnam visa-free for 45 days (as of 2026). Your Roamis eSIM gets you online for immigration, Grab and hotel check-in the moment you land. Always confirm current entry rules before you fly.
Validity starts when you install and connect in Vietnam — not when you buy. Set it up before you fly and it begins counting from your first connection on arrival.
Yes, you can share your connection to a laptop or another device. Heavy tethering may be subject to the fair-use terms shown on the plan.
Yes. Vietnam has very few internet restrictions, so Grab, KakaoTalk, Google Maps and translation apps work normally — you just need data.
No. The eSIM runs alongside your existing SIM, so you keep your number for calls and texts while using Roamis for data.
Get connected before you pack
Set up your travel eSIM today and land already online.
Choose a plan