eSIM for Vietnam
Data plans from $2.50. 5 plans available, online in about a minute.

SimSIM's eSIM for Vietnam activates online before you leave — tap to install and your phone connects to local networks the moment you land. No physical SIM, no roaming contract. Plans are valid for 7–30 days and data starts from $2.50.
Good to know before you go to Vietnam
Vietnam has strong, reliable signal in Hanoi, Ho Chi Minh City, Da Nang, and along the popular Hanoi-Hue-Hoi An-Saigon route, which covers most classic north-to-south itineraries. Coverage weakens in mountainous areas like Sapa and on some of the smaller Halong Bay islands. Heavy use of ride-hailing apps (Grab), translation, and navigating narrow old-quarter streets means data use runs a bit higher than a typical Southeast Asia trip — 8-10GB over two weeks is a reasonable planning number.
Plans & pricing for Vietnam
Prices updated
FAQ for Vietnam eSIM
What is an eSIM and how does it work in Vietnam?
An eSIM is a digital SIM built into your phone. Instead of a physical card, you tap to install and your phone connects to local networks in Vietnam automatically. No SIM-swapping, no roaming contract — the whole setup takes about a minute online before you travel.
How much does an eSIM for Vietnam cost?
The cheapest plan is 1GB for 7 days at $2.50. SimSIM has 5 plans for Vietnam.
Which network will I connect to in Vietnam?
Plans for Vietnam run on Viettel Mobile, MobiFone, Vinaphone.
How long is a Vietnam eSIM valid?
Vietnam plans run from 7 to 30 days.
Can I use my regular SIM card and the Vietnam eSIM at the same time?
Yes. Most modern iPhones and Android phones support Dual SIM — your home number stays active on your physical SIM while the Vietnam eSIM handles local data. Both lines run simultaneously, so you never miss calls or messages from home.
Will I keep my current phone number when using a Vietnam eSIM?
Yes. Installing an eSIM for Vietnam does not replace or change your existing number. Your physical SIM stays active and your home number remains reachable throughout your trip.
Can I top up my Vietnam eSIM?
Yes — you can add more data to a Vietnam plan from the app without installing a new eSIM.
Does the Vietnam eSIM include calls or SMS?
Vietnam plans are data-only. Use WhatsApp, FaceTime or another app for calls.
Nearby destinations
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Online in about a minute
Tap to install before your trip and connect automatically the moment you land.
Your number stays active
Dual SIM keeps your home line active while you browse on the local network.
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