Happy 5G Vietnam 15 Days
4.5Editor score
8GB high-speed data
No registration needed
Unlimited throttled data
In this guide
Travelers heading to Vietnam need reliable connectivity to navigate maps, translate texts, and stay in touch with loved ones abroad. Finding the right Esim Card for Vietnam can be challenging due to varying data limits and network coverage across the country. This guide helps you choose the best plan for your specific travel needs and budget constraints.
We have carefully evaluated ten top-rated products based on data allowances, network speed, activation ease, and customer support quality. Each option offers unique benefits whether you prioritize unlimited data, multi-country access, or simple plug-and-play functionality for short trips. Our comparisons ensure you understand exactly what each plan delivers before you purchase.
Each product pick in this list includes detailed specifications, pros, cons, and real-world usage scenarios to help you make an informed decision. Please note that prices and availability may change frequently due to market demand and seasonal promotions. Always verify the current terms on the official product page before completing your purchase online.
Top 3 Picks for Best Esim Card for Vietnam
Asia eSIM 11 Countries
4.8Editor score
Unlimited daily data
Multi-country coverage
Auto activation
5G Vietnam 30 Days Unlimited
5.0Editor score
15GB 5G high-speed
30-day validity
Hotspot sharing allowed
Top 10 Best Esim Card for Vietnam in 2026 Compared
The following table provides a side-by-side comparison of all ten products to help you quickly identify the plan that best fits your travel itinerary and data requirements.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Asia SIM Card 10GB
10GB high-speed data
15 Asian destinations
30 days validity
No phone number
3.7Editor score
Editor's Choice
Happy 5G Vietnam 15 Days
8GB high-speed data
Unlimited throttled data
15 days validity
Vietnam only
4.5Editor score
Best Premium
Happy 5G Vietnam 30 Days
15GB high-speed data
Unlimited throttled data
30 days validity
Vietnam only
3.3Editor score
5G Vietnam 15 Days
8GB high-speed data
Unlimited throttled data
15 days validity
Hotspot allowed
4.0Editor score
Asia eSIM 11 Countries
Unlimited daily data
11 Asian countries
15 days validity
Auto activation
4.8Editor score
Happy 5G Vietnam 15 Days
8GB high-speed data
Unlimited throttled data
15 days validity
Vietnam only
3.1Editor score
5G Vietnam 30 Days
15GB high-speed data
Unlimited throttled data
30 days validity
Hotspot allowed
5.0Editor score
Travel Data SIM 20 Days
20GB high-speed data
Unlimited basic data
20 days validity
Multi-country support
13 Asian Countries SIM
10GB high-speed data
Unlimited slow data
365 days validity
Hotspot allowed
5.0Editor score
5G Asia 12 Countries
15GB high-speed data
Unlimited throttled data
30 days validity
Multi-country support
1. Asia SIM Card 10GB – Best Multi-Country Value
Asia SIM Card 10GB
10GB data plan
30 days validity
15 country coverage
Auto network switch
The Asia SIM Card is a solid choice for travelers visiting multiple Asian countries during a single trip. It offers 10GB of high-speed data over 30 days with automatic network switching across 15 destinations. While the rating is moderate at 3.7, users appreciate the convenience of not swapping SIM cards when crossing borders.
Pros
- Covers multiple Asian countries
- Easy activation process
- 24/7 customer service
- Includes standard sizes
- Reliable network coverage
Cons
- Excludes Google Pixel devices
- 30GB high limit
- Must activate within 90 days
- Limited social media access
- No phone calls included
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Its standout quality is the broad regional coverage that includes Vietnam alongside other popular tourist spots like Thailand, Japan, and Singapore. The card comes in a 3-in-1 physical format ensuring compatibility with most unlocked phones. Activation happens online through the provider website allowing you to prepare before leaving home.
Trade-offs include the exclusion of Google Pixel devices which limits compatibility for some users. Data speeds may vary depending on local network availability in each country. You must activate the card within 90 days of receipt or it will expire unused even if you have not traveled.
Buyers planning a multi-country Asian tour should consider this card for its simplicity and regional flexibility. It is ideal for those who want one solution for several trips without buying separate cards. For Vietnam-only trips dedicated local plans might offer better data allowances at similar price points.
Regional Coverage
The card covers 15 Asian destinations including Mainland China, Hong Kong, Japan, South Korea, Singapore, Thailand, Malaysia, Indonesia, Philippines, Taiwan, Cambodia, Australia, New Zealand, and Vietnam.
Activation
Activation is quick and easy by visiting the provider website and following instructions. It must be done within 90 days of receipt to ensure the plan remains valid for your trip.
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2. Happy 5G Vietnam 15 Days – Best Budget Pick
Happy 5G Vietnam 15 Days
8GB 5G speed
Unlimited throttled
15 days valid
No phone number
This SIM card offers a budget-friendly option for travelers needing reliable data in Vietnam for up to 15 days. It provides 8GB of 5G high-speed data followed by unlimited throttled data at 128kbps. With a high rating of 4.5 it is well-regarded for its ease of use and straightforward activation process.
Pros
- No registration needed
- 8GB high-speed 5G
- Unlimited throttled data
- 15 days validity
- Works with most phones
Cons
- Throttled after 8GB
- Vietnam only
- No phone calls
- Hotspot not guaranteed
- Cannot recharge
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The key strength is the unlimited data policy allowing you to stay connected without worrying about hitting a hard cap. You simply insert the card into your unlocked device upon arrival and it connects automatically to the Viettel network. No registration is required which saves time at airports or convenience stores.
Trade-offs include throttled speeds after the initial 8GB which may slow down video streaming or large downloads. The plan does not include a phone number for calls or texts but supports data apps like WhatsApp. Hotspot sharing is allowed but not guaranteed to work on all devices.
Travelers on a tight budget visiting Vietnam for short trips will find this card ideal. It balances cost and data allowance well for casual users who mainly need maps and messaging. Avoid it if you need unlimited high-speed data or plan to use your phone as a mobile hotspot constantly.
Data Allowance
The plan includes 8GB of 5G high-speed data followed by unlimited throttled data at 128kbps ensuring you stay connected throughout your stay without extra charges.
Activation
Simply insert the SIM into your unlocked device upon arrival. The network connects automatically within 1-2 minutes requiring no registration or additional setup steps.
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3. Happy 5G Vietnam 30 Days – Best Long Stay
Happy 5G Vietnam 30 Days
15GB 5G speed
Unlimited throttled
30 days valid
Vietnam only
This card extends the Happy 5G Vietnam series to a 30-day period ideal for long-stay travelers or digital nomads. It offers 15GB of 5G high-speed data before throttling unlimited data to 128kbps. Despite a lower rating of 3.3 it provides substantial data capacity for those needing extended coverage in Vietnam.
Pros
- 15GB high-speed data
- 30 days validity
- Unlimited throttled data
- No registration required
- 5G network support
Cons
- Throttled after 15GB
- Vietnam only
- No phone number
- No recharge option
- Lower rating than others
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The standout feature is the generous 15GB high-speed allowance combined with unlimited data access after the limit. It uses the Viettel network known for reliable coverage in urban and rural areas. Installation is plug-and-play without registration which simplifies setup upon arrival at your destination.
Trade-offs include the lack of phone call functionality and inability to recharge the plan if you use more data than expected. Throttled speeds after 15GB may be too slow for video calls or live streaming. You must have an unlocked phone as locked devices are not supported.
Digital nomads or long-term travelers needing a full month of connectivity should consider this plan. It is best suited for those who prioritize data capacity over call features or multi-country support. For shorter trips this plan offers more than enough high-speed data to handle typical usage.
Data Policy
Enjoy 15GB of 5G high-speed data followed by unlimited data at 128kbps ensuring continuous internet access throughout your 30-day stay in Vietnam.
Setup
Insert the SIM into your unlocked device and wait 1-2 minutes for automatic connection. No registration is required making it ready to use immediately.
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4. 5G Vietnam 15 Days – Tourist Friendly
5G Vietnam 15 Days
8GB high-speed
Hotspot allowed
15 days valid
Vietnam network
This SIM card is designed for tourists and business travelers needing reliable data for two weeks in Vietnam. It offers 8GB of 5G high-speed data followed by unlimited data at reduced speeds. With a 4.0 rating it is praised for including a SIM toolkit and allowing hotspot sharing for multiple devices.
Pros
- Includes SIM toolkit
- Hotspot sharing allowed
- 8GB high-speed 5G
- No registration needed
- Unlimited throttled data
Cons
- No phone number
- Throttled after 8GB
- Cannot top-up
- Vietnam only
- Hotspot not guaranteed
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Its primary strength is the convenience of the included toolkit with SIM card ejector pin and travel guide. Hotspot sharing allows you to connect laptops or tablets to the data connection extending utility beyond the phone. It works with both iPhone and Android devices for broad compatibility.
Trade-offs involve throttled speeds after 8GB which may hinder heavy streaming or large downloads. The plan cannot be topped up if you need more data so plan accordingly. It does not include a phone number meaning calls must be made through data apps like WhatsApp.
Tourists wanting a ready-to-use solution without extra purchases will appreciate the included toolkit. It suits travelers needing a short-term plan with hotspot capability for work or leisure. Ensure your phone is unlocked before purchasing since locked devices are not supported by this plan.
Included Kit
The package includes a complimentary SIM card toolkit with a SIM card, user travel guide, and SIM card ejector pin to simplify setup.
Hotspot
Hotspot sharing is allowed but not guaranteed to work on all devices. It allows you to connect multiple devices to your phone using data.
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5. Asia eSIM 11 Countries – Best eSIM Flexibility
Asia eSIM 11 Countries
Unlimited daily data
11 Asian countries
15 days valid
eSIM digital only
This eSIM is perfect for travelers visiting multiple Asian countries including Vietnam without needing physical SIM cards. It offers unlimited daily data across 11 countries for 15 days. With an impressive 4.8 rating it is highly regarded for auto activation and seamless network switching across regions.
Pros
- No physical card needed
- High rating of 4.8
- Multi-country access
- Auto activation
- Daily unlimited data
Cons
- Requires eSIM device
- Vietnam only if needed
- No phone number
- Must install before trip
- Support limited to weekdays
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The key strength is the convenience of digital installation receiving a QR code within 24 hours. You can install it before traveling and activation occurs when connecting to supported networks. This eliminates airport queues and language barriers often associated with physical SIM purchases.
Trade-offs include the requirement for an eSIM-compatible device which older phones may not support. If you only visit Vietnam dedicated local cards may offer better value. Support is available Monday to Saturday only which may delay help for weekend issues.
Frequent travelers or multi-country tourists should choose this eSIM for its convenience and flexibility. It suits tech-savvy users with newer phones wanting hassle-free connectivity. Ensure your device supports eSIM before purchasing to avoid compatibility issues during your trip.
Installation
Get QR code in 24 hours and install via InstaSIM app or website. Auto activation starts when you connect to a supported mobile network in Asia.
Data Policy
Unlimited daily data provides 3GB every day at super speed then unlimited at 1MBPS. Enough for worry-free travel use and hotspot sharing.
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6. Happy 5G Vietnam 15 Days – Budget Alternative
Happy 5G Vietnam 15 Days
8GB high-speed
Unlimited throttled
15 days valid
Vietnam only
This card is an alternative version of the Happy 5G Vietnam plan offering similar features with a lower price point. It provides 8GB of high-speed data followed by unlimited throttled data for 15 days. The 3.1 rating suggests mixed user experiences likely due to network variability or activation challenges.
Pros
- No registration required
- 8GB 5G data
- Unlimited throttled data
- Easy plug-and-play
- Works with iPhone
Cons
- Low rating of 3.1
- Throttled after 8GB
- No phone number
- Cannot recharge
- Vietnam only
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Its primary strength is the low cost and straightforward activation without registration. Users can insert the SIM and connect automatically within minutes. It supports popular apps like WhatsApp and Facebook without requiring VPNs for standard use.
Trade-offs include the low rating which may indicate reliability issues compared to higher-rated plans. Throttled speeds after 8GB limit heavy usage and the plan cannot be recharged. You must have an unlocked device as locked phones are not supported.
Budget-conscious travelers willing to accept potential reliability trade-offs may find this plan useful. It is best for short trips where high-speed data needs are minimal. Check recent reviews before buying to ensure current service quality meets your expectations.
Connectivity
Popular apps and social media are supported without VPN. Hotspot is supported but not guaranteed to work on all devices.
Activation
Insert SIM into unlocked device and wait 1-2 minutes for automatic connection. Turn on roaming data and ensure flight mode is off.
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7. 5G Vietnam 30 Days – Long-Term Travel
5G Vietnam 30 Days
15GB high-speed
Hotspot allowed
30 days valid
Vietnam network
This plan is an excellent choice for travelers needing a full month of data in Vietnam. It offers 15GB of high-speed data followed by unlimited throttled data at reduced speeds. With a perfect 5.0 rating it is highly praised for reliability and generous data limits.
Pros
- Perfect 5.0 rating
- 15GB high-speed data
- Hotspot sharing allowed
- Includes SIM toolkit
- Unlimited throttled data
Cons
- Throttled after 15GB
- No phone number
- Cannot top-up
- Vietnam only
- No call support
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The key strength is the high-speed data allowance combined with unlimited access after the cap. It includes a SIM toolkit making setup convenient for tourists. Hotspot sharing allows you to connect multiple devices without needing separate plans.
Trade-offs include the lack of phone numbers and inability to recharge if you exhaust data early. Throttled speeds may be slow for video streaming but fine for messaging and maps. It is designed for data use only without traditional voice call features.
Long-term visitors needing reliable internet for work or leisure should prioritize this plan. It suits those who want maximum data without worrying about daily limits. Ensure your phone is unlocked before purchase to avoid compatibility issues.
Data Cap
Enjoy 15GB high-speed 5G data before unlimited data continues at reduced speed. Ideal for heavy users needing consistent internet over a month.
Hotspot
Hotspot sharing is allowed but not guaranteed to work on all devices. It enables connecting multiple devices to your phone.
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8. Travel Data SIM 20 Days – Medium Term
Travel Data SIM 20 Days
20GB high-speed
Unlimited basic data
20 days valid
Instant activation
This SIM offers a balanced 20GB of high-speed data over 20 days with unlimited basic data after the cap. It covers multiple Asian destinations including Vietnam and China. With no rating provided it lacks user feedback but offers instant activation and auto-connect functionality.
Pros
- 20GB high-speed data
- 20-day validity
- Multi-country access
- Auto-connect on arrival
- Renewal option
Cons
- No customer rating
- Cannot make calls
- Cannot text
- Renewal may cost extra
- Unlocked device required
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Its main strength is the generous data allowance and regional coverage for multi-country trips. Auto-connect on arrival simplifies setup without manual configuration. You can extend the plan if your trip runs longer than planned.
Trade-offs include the lack of a customer rating which makes reliability uncertain. It is data-only with no phone number for calls or texts. You must have an unlocked phone as the SIM will not work with carrier-locked devices.
Travelers needing a mid-term plan with regional flexibility might consider this option. It suits those visiting several countries who prefer a single card over multiple SIMs. Verify service quality before relying on it for critical communication during your trip.
Coverage
Instant auto-connect in China, Hong Kong, Japan, Korea, Macao, Malaysia, Taiwan, Thailand, Vietnam, Cambodia, Philippines, and Indonesia.
Renewal
Extend your plan if your trip is longer. Renewal allows you to continue data without buying a new card.
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9. 13 Asian Countries SIM – Annual Plan
13 Asian Countries SIM
10GB data
Unlimited slow
365 days valid
13 countries
This card is unique for its 365-day validity offering long-term flexibility for occasional travelers. It provides 10GB of high-speed data with unlimited slower data after. A perfect 5.0 rating indicates high customer satisfaction for its extensive regional coverage.
Pros
- 365-day validity
- 13 countries coverage
- Perfect 5.0 rating
- Hotspot allowed
- No registration needed
Cons
- Only 10GB high-speed
- Slow after 10GB
- Must activate before expiry
- No phone number
- Limited high-speed data
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The standout feature is the one-year validity period which can be used for multiple trips within that year. It supports 13 countries including Vietnam, Australia, and Japan. Hotspot tethering allows sharing data with smartphones or iPads.
Trade-offs include limited high-speed data and slow speeds after the 10GB cap. You must activate the card before its expiration date or lose validity. It lacks a phone number so voice communication requires data apps.
Frequent travelers who visit Asia multiple times a year will find this plan valuable. It reduces the need to buy new cards for each trip. Ensure you activate before the card expires to avoid losing the benefit.
Validity
365-day validity allows use over multiple trips within a year. Just remember to activate before the card expiration date.
Usage
Plug to go without registration excluding Taiwan. Available for hotspot tethering to share data with other devices.
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10. 5G Asia 12 Countries – Regional Choice
5G Asia 12 Countries
15GB high-speed
Unlimited throttled
30 days valid
12 Asian countries
This plan covers 12 Asian countries including Vietnam with 15GB of high-speed data and unlimited throttled data. It includes a free 1GB bonus for Dubai making it suitable for transit travelers. No rating is provided so reliability must be verified through recent user feedback.
Pros
- 15GB high-speed data
- 12-country coverage
- Free Dubai bonus
- Hotspot allowed
- Unlimited data
Cons
- No customer rating
- Throttled after 15GB
- No phone number
- Cannot top-up
- Vietnam only if needed
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The key strength is the extensive regional coverage combined with a 15GB data allowance. It supports hotspot sharing and popular apps like WhatsApp and Facebook. The Dubai bonus adds extra value for travelers passing through the region.
Trade-offs include the lack of a rating which may hide quality issues. Throttled speeds after 15GB limit heavy streaming and the plan cannot be recharged. Ensure your device is unlocked before purchase to avoid connection problems.
Travelers visiting multiple Asian countries including Vietnam should consider this plan for its regional flexibility. It suits those needing a 30-day plan with substantial data. Check support and compatibility details before relying on it for your trip.
Bonus
Free 1GB Dubai included for transit. Supports multiple countries like Taiwan, Hong Kong, China, Singapore, Malaysia, and Thailand.
Coverage
Support Google, WhatsApp, Facebook, and more. Access internet without needing VPN for popular social media platforms.
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Buying Guide – How to Choose the Best Esim Card for Vietnam
Selecting the right data plan requires understanding your trip duration, data needs, and whether you visit multiple countries or just Vietnam. This guide outlines the critical factors to consider before purchasing any Esim Card for Vietnam.
Trip Duration
Match the validity period to your travel dates. Options range from 15 to 30 days or longer. If you stay longer, ensure the plan covers your full trip or plan for a top-up.
Choose a plan with validity exceeding your trip length by a day or two.
Data Needs
Estimate how much data you will use daily. Light users need 5GB-10GB while heavy streamers may need 15GB or more. Unlimited plans with throttling offer safety against overages.
Pick a plan with enough high-speed data for your daily activities like maps, navigation, and video calls.
Country Coverage
Decide if you are traveling only to Vietnam or multiple countries. Multi-country plans simplify connectivity but may cost slightly more per GB. Vietnam-only plans offer better localized speed.
Choose a multi-country SIM if you plan to visit neighbors like Thailand or Cambodia during the same trip.
Network Speed
Look for 4G or 5G support to ensure fast browsing and streaming. 5G networks are available in major Vietnamese cities but 4G LTE coverage is more consistent in rural areas.
Ensure the plan supports 5G/4G LTE networks for reliable performance.
Device Compatibility
Confirm your phone is unlocked before purchasing. Carrier-locked phones will not work with foreign SIM cards. Check if you need physical SIM or eSIM based on your device model.
Unlock your device before traveling and verify SIM type compatibility.
Activation Method
Physical cards require insertion while eSIMs need QR code scanning. Activation should be simple and instant upon arrival. Read instructions to know when to activate the plan.
Choose activation that fits your comfort level before or during travel.
Customer Support
Check if the provider offers 24/7 support or limited hours. Reliable support helps resolve connection issues quickly. Look for providers with positive reviews about service quality.
Prioritize providers with responsive support channels for peace of mind.
Hotspot Features
If you need to share internet with laptops or tablets, confirm hotspot is allowed. Some plans restrict tethering or limit speed when shared. This can affect device usage on longer trips.
Verify hotspot support before purchase if you plan to share data.
How to Use and Care for Your Esim Card for Vietnam
Insert the physical SIM into your phone after unlocking your device. For eSIM, scan the QR code provided by the provider using your phone's settings. Follow activation instructions carefully to ensure the plan activates upon arrival.
Turn on data roaming and local data settings once you land in Vietnam. Ensure flight mode is off and network mode selects 5G/4G LTE/3G/2G. Wait 1-2 minutes for the network to connect automatically before using data.
Monitor your data usage through phone settings or the provider's app. Avoid heavy streaming once high-speed data is exhausted to prevent throttling. Keep the SIM safe in a secure place when not in use to avoid loss or damage.
Frequently Asked Questions
Do Esim Card for Vietnam options include phone calls?
Most Esim Card for Vietnam options are data-only and do not include voice calling or SMS. You can make calls through data apps like WhatsApp or Google Duo. If you need local phone numbers, consider dedicated voice plans from Vietnamese carriers.
Can I use my existing US phone number with these cards?
These cards provide a local Vietnamese data connection and do not preserve your US number. Incoming calls to your US number will not be received unless you forward calls. Use messaging apps instead to stay in touch while traveling.
What happens when I run out of high-speed data?
After exhausting high-speed data limits, plans typically throttle speeds to 128kbps or similar. This allows basic messaging and maps but slows down video streaming and large downloads. Consider unlimited throttled plans if you need constant connectivity.
Are these cards compatible with all smartphones?
These cards work with most unlocked iPhones and Android devices. Carrier-locked phones will not accept foreign SIM cards. Check your device's SIM type compatibility (nano/micro/standard or eSIM) before purchasing.
How long does activation take for these SIMs?
Activation usually happens automatically within 1-2 minutes after inserting the card and connecting to a network. eSIMs can be installed before travel with activation on first network connection. Follow provider instructions to ensure smooth setup.
Can I recharge my Esim Card if I need more data?
Some plans allow top-up via provider websites or apps. Others are prepaid and cannot be recharged requiring a new purchase. Check the product description for recharge options before buying.
Final Thoughts on Choosing the Best Esim Card for Vietnam
This guide highlighted ten Esim Card for Vietnam options ranging from budget single-country plans to multi-country flexibility. Top picks include the Asia eSIM for broad coverage and Happy 5G for affordable daily data in Vietnam.
Prioritize data allowances and network speed based on your travel style. Digital nomads may prefer unlimited throttled plans while casual tourists need only enough for maps and messaging. Verify device compatibility before purchasing to avoid issues.
Prices and availability change frequently so check current listings before booking. Compare the latest terms and reviews to ensure you pick the best value for your trip. Stay connected confidently with a reliable data plan for Vietnam.