Vietnam eSIM with prepaid mobile data
- Local data starting at $4.50/week
- Use your regular phone number
- No contracts, no roaming charges
Use a Vietnam eSIM for instant travel data
Vietnam is a beautiful Southeast Asian country famous for sandy beaches, flowing rivers, and cities bursting with life and color.
While in Vietnam, you’ll want to share your travel experiences with your family and friends back home. A Vietnam eSIM can keep you connected with steady mobile data, so you don’t have to worry about finding Wi-Fi.
Your Vietnam eSIM will connect your phone or tablet to local networks anywhere you travel, so you always have data for what matters.

How much travel data do I need with my Vietnam eSIM?
Your data requirements in Vietnam will depend on a few things. When you leave your hotel, you may want to browse information about different attractions or simply chat with your friends online, which will use data.
Luckily, a Vietnam eSIM can keep you connected anywhere you need data. Also, what makes a Vietnam eSIM a great choice is that it offers flexible plans.
Not sure how much data you’ll need? Try our travel data calculator.

Will I pay roaming charges with a prepaid eSIM for Vietnam?
You won’t pay any roaming charges with a Vietnam eSIM from aloSIM because everything is prepaid.
You’ll be paying upfront to be connected to local networks in Vietnam, and then you’re free to use your data package as quickly or slowly as you’d like.
Just make sure to turn off Data Roaming for your primary SIM, to avoid carrier roaming charges back home. (We’ll show you exactly how to do this.)

FAQs about using a Vietnam eSIM
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Will eSIM work on my phone or tablet?
Most newer phones, tablets, and computers are already eSIM-compatible, so use our eSIM device checker to make sure you have a device that can accept an eSIM.
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Why can’t I just use Wi-Fi while traveling?
Free Wi-Fi is great when it’s available, safe, and working well, but some destinations make it just about impossible to get a good connection. That’s why it’s nice to have data as a backup to stay connected.
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How reliable is aloSIM data?
We’re proud to provide aloSIM customers with fast eSIM data connections that allow them to talk, text, surf, and stream comfortably. You’ll likely experience a 4G (sometimes 5G) or LTE equivalent network in most locations, depending on what’s available in the area.
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Is setting up an eSIM complicated?
We have detailed eSIM installation instructions for all compatible devices, so whether you’re looking to add eSIM data to an iPhone or iPad, Google Pixel, Samsung Galaxy, or something else, we’ll be able to walk you through the eSIM set-up process easily.
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How do I avoid roaming charges?
It can be confusing to know the best roaming settings for your phone while you travel internationally, so we’ve created an easy walk-through guide to show you exactly how your phone’s roaming settings should look.
Explore Vietnam with aloSIM data

AFFORDABLE
Our eSIM data packages are prepaid, so you always know exactly what you’ll spend on data. No contracts, no surprises, and never any roaming charges.

CONVENIENT
You’ll have full access to your regular phone number for calling and texting, and you can add data to your device whenever you need it. No in-store visits required!

FLEXIBLE
Only buy what you need! If you’re not sure how much data you’ll need, start with a 1 GB package. You can always top up your eSIM with more data later.