Vietnam eSIM Guide: Best Plans, Setup and Travel Tips

Arriving in Vietnam, I don’t want to deal with expensive roaming or finding a SIM card after a long flight. With an eSIM, I can go online the moment I land, open Google Maps, message family, and book a Grab without any hassle. It’s simple, fast, and just makes the whole trip easier.

What is an eSIM?

An eSIM is a digital SIM card built into your phone, so you don’t need to insert anything physically. You can activate it in minutes, and once you arrive in Vietnam, your data works right away. No need to find a SIM card or deal with setup. It’s a simple way to stay online for maps, messages, and booking rides without paying high roaming fees.

eSIM vs SIM Card vs Roaming in Vietnam

Not sure what to use when you land? Here’s a quick and real comparison:

💡 Important: SIM cards in Vietnam must be registered with your passport. If not done properly, it may stop working.

Must-Have Apps for Tourists in Vietnam

Traveling around Vietnam can feel a bit confusing at first, especially with language differences and different apps used locally. Before I go, I always make sure I download the right apps so everything is easier, from booking rides to ordering food or finding places.

💡 Pro Tip: I usually download everything before the trip and set up my eSIM early. That way, once I land, I can open maps, book a ride, or message right away without any stress.

How To Set Up Your Vietnam eSIM?

Step 1: Choose the best eSIM plan

There are several providers that offer Vietnam eSIMs. Choose the one that best suits your needs.

Step 2: Select the data package

Once you've chosen a provider, you'll need to purchase a data plan that suits your needs.

Step 3: Receive your ACTIVATION EMAIL

You will receive an email with installation instructions and a reminder of the latest installation time. Please make sure that there’s available WIFI or connected to networks before installation.

Step 4: Add your eSIM

To activate the eSIM, simply scan the QR code on your phone.

Set as the instructions:

1. System - Settings - Cellular (iOS) / SIM Card Management (Andriod).
2. Add a Cellular Plan (iOS) / SIM Card (Android).
3. Agree to download Cellular Plan (iOS) or SIM Card (Android).
4. Scan the QR code in the received email for activation (or enter SM-DP +Address and Activation Code manually).

Step 5: Scan the QR code to activate your eSIM

1. After the completion of the installation, we recommend that you disable eSIM until you reach your destination.
2. After the download is successful, close the primary card if you already have one. Enable the Cellular Plan (iOS) or SIM Card (Android).
3. After arriving at the destination, please open your eSIM, and turn on roaming. Then you can access the Internet.

You can now connect to the Internet and enjoy the convenience of Japan eSIM as per your selected plan.

How to close?

Open the open Cellular (iOS) or SIM Card Management (Android), and click to turn off the Cellular Plan (iOS) or SIM Card (Android) (the steps of enabling and disabling are the same).

Who Are the Main Telco Operators in Vietnam?

Viettel : Strong signal almost everywhere, even outside cities. If you plan to travel around Vietnam, this is the safest choice. Reliable and easy to use.

MobiFone : Works well in big cities like Hanoi and Ho Chi Minh. Good for daily use like maps and Grab. Best if you stay mostly in city areas.

Vinaphone : Affordable and stable in cities. Can still work outside the city, but not as strong as Viettel. Good middle option.

Vietnamobile : Cheapest option. Fine for city use, but signal may drop in rural areas. Better for short stays in one place.

How to Choose the Best Vietnam eSIM?

Coverage : Vietnam has good signal, but it depends where you go. If you plan to travel outside the city, choose providers like Viettel or MobiFone. They are more stable when you move around.

Usage : If you only use social media, chat, and light maps, 1GB per day is usually enough. If you use maps a lot, watch videos, or upload content, better go for 2GB per day so you don’t suddenly run out.

Pricing : Data in Vietnam is quite cheap. Just check what is included. Some plans look cheap but have limits or slow speed after usage.

Flexibility : Choose a plan that you can easily top up. Sometimes you use more data than expected, so it’s good if you can extend anytime.

Services : Check if hotspot is allowed. This is useful if you share internet. Some plans also work in nearby countries, which is good if you travel around.

Who Uses Vietnam eSIM?

Frequent Travelers : If you travel to Vietnam often, eSIM is very convenient. No need to buy SIM every time. Just activate and use once you land.

Business Travelers : If you need internet for work, emails, or meetings, eSIM is easy and fast. No need to queue or change SIM, everything is ready.

Tourists : For short trips, eSIM is simple to use. You can use maps, Grab, and WhatsApp without any trouble. Good if you want smooth travel.

Students : If you stay for short term, eSIM is flexible. No contract needed and easy to manage. Good for daily use and staying in touch

Find the Best Vietnam eSIM

Skip the airport SIM queue and go online the moment you land in Vietnam. With an eSIM, everything is ready before your trip. Just scan, activate, and you’re connected in seconds. No stress, no waiting, just smooth travel from the start so you can book a ride, check maps, and message right away👍