Vietnam eSIM - Unlimited Data

15% Discount Code - flexy15
Buy your eSIM

It is easy to decide which FlexySim unlimited data plan is suitable for you and your travels. Simply select the number of days you require for your mobile data eSIM, and you are ready to travel with unlimited data roaming.

Check your Email

Once purchased, we’ll email your eSIM immediately. It will also be available instantly in your online FlexySim account or via our mobile app. Simply click the eSIM install link or scan the QR code to add it to your phone.

Activate the eSIM

Once your FlexySim eSIM is installed on your smartphone and you have safely arrived at your destination, simply switch on your eSIM mobile data and start roaming with fast and reliable data. It's that easy!

Woman sitting n the airport using her Smartphone
Connect your eSIM instantly
Connect the moment you arrive !

No need to wait for your mobile provider to connect you to an expensive network. Simply activate your FlexySim eSIM plan in a couple of clicks and enjoy fast mobile data as soon as you land.

Manage your eSIM, check data usage, top up, and more by logging into your FlexySim account or by installing our app on your mobile device.

FlexySim Checklist

What unlimited data eSIM plan is right for me?

Choosing the right unlimited data eSIM is as easy as knowing where you are travelling to, and how long you will need your eSIM.

Our unlimited data eSIM plans offer just that, unlimited data, for a specified time. Simply select the plan with the right destination, and the amount of days that suits your travel plans. 

If your plans change, and you decide to extend your stay our unlimited data eSIM plans can be topped up easily via our website or online app.

When should I install my eSIM?

We recommend installing your eSIM to your phone before starting your journey so that yo can activate and connect to a network activate the moment you arrive - see our installation instructions for more help. 

Will the eSIM be easy to install & use?

Using an eSIM is easy.  in a few clicks your installation will be done. Your FlexySim eSIM details will be emailed to you shortly after purchase. Once installed using your eSIM is no more difficult than using your current SIM card.
Click here Fort more detailed installation instructions 

When will my data be ready to use?

Your FlexySim eSIM data plan will be ready to connect, and use the moment you arrive at your destination, and the cabin crew allow you to unfasten your seatbelts.

What happens if I can't install my eSIM or my travel plans change?

If your eSIM hasn't activated and you experience a problem installing, or connecting online, contact our support team and we'll help you get connected, or issue a replacement eSIM.

In addition if your travel plans change, any unused and uninstalled eligible eSIMs are covered by the FlexySim 100% Money Back Guarantee in accordance with our refund terms.

Couple sitting  by Sydney Harbour looking at a smartphioe with Sydney Opera House in the background
Your eSIM questions answered
Do you have more eSIM questions?

We know that eSIMs are new for many users. Not only do we want you to have a great journey, we also want you to have a seamless eSIM experience.

Feel free to reach out with any questions you may have, or check out our more in-depth FAQ designed to help you with your eSIM purchase.

FAQ