Top Up Vietnam Unlimited (7 days)
Instant Mobile Data Top-Up - Vietnam
Recharge your existing travel connection instantly. This high-speed balance extension adds a premium roaming data bundle directly to your active account profile. Configured for up to max 5G network speeds, this package remains valid for 7 days after localized destination network activation.
Requirement & Compatibility: This automated over-the-air top-up is strictly compatible only with active InternationalSIM profiles containing a 19-digit physical SIM card or virtual eSIM ICCID number starting explicitly with 8988. This package does not support third-party wireless carrier networks or our 8931 Big Data hardware profiles.
How to Order: Before adding this bundle to your cart, please enter your active 8988 ICCID code into the input field provided right here on the product page. If you are a returning user, simply log into your account to instantly select your number from your stored SIM profile database. Your balance renewal will deploy with zero activation delays!
Fair Usage Policy: 20GB at full speed, then unlimited at 2MB/s
| Data Bundle: Unlimited |
| Duration: 7 Days |
| esim/Sim Number: (starts with 8988) |
Top Up
Already have InternationalSIM eSIM or SIM card?
Then you don't need a new one, just top it up!
eSIM and SIM card Data Plan
- One-time SIM data plan.
- Easy installation.
- Smartstart – your data plan activation starts upon arrival at destination.
- Prepaid with no extra fees or roaming charges.
- Reusable SIM in 200+ destinations.
- Recharge in the customer portal.
- Data sharing allowed.
- Connects automatically to the fastest available network speed (3G, 4G, 5G). You can view what speeds are available with our Global network partners here.
- InternationalSIM is a data-only service, allowing you to use messaging apps such as WhatsApp, Skype, Viber, Telegram, WeChat, LINE and Facebook Messenger for calls and texts., no phone number is provided.
Here's how it works:
Instant eSIM sending: Right after purchase, you will receive an email with your QR code.
SIM card Delivery: Orders dispatched with 1 working day.
Easy setup: Before your trip, simply scan the QR code to install your InternationalSIM eSIM data plan or insert your SIM card into your device.
Smartstart: Your data plan will automatically activate upon arrival in a destination covered by the plan, with the validity period starting from that moment. Please note, if the plan is not activated within 6 months of purchase, it will expire automatically.
Stay connected everywhere: Login to your account to check your balance in real-time and top up on the go.
Enjoy fast, reliable and hassle-free mobile connectivity wherever you go with InternationalSIM!
As soon as the SIM/eSIM connects to the network, your plan will stay active for the duration stated on your plan. 30D - 30 Days, 7D - 7 Days etc.
n most countries, registration of every sold SIM card is mandatory by the government. InternationalSIM therefore links the eSIM to your name and address. In case of misuse, we are obliged to pass this information on to the relevant authorities
No, Only the latest smartphones support eSIM. Before you order an eSIM, it is therefore useful to know whether your mobile is suitable for this. Check our compatibility list here.
Tethering is allowed on all devices (Phone, Mifi, Tablet or USB modem)
You’ll be using a Roaming eSIM/SIM which allows you to connect to multiple networks. Meaning that there is in 99% of the times a network available!
Yes you can, via our website.
Top Up
Yes you can, via our website.
Yes we do. All our manuals are on the downloads page.
We have a full list of our Network Partners here.