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Product #146835
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Illustration of a Viettel Vietnam SIM card with a traveler in a conical hat rowing through a scenic Vietnamese water village, highlighting Hong Kong delivery and nationwide 4G high-speed internet.

Buy One Get One Free Vietnam SIM Card | Viettel Telecom | Hong Kong Shipping/Pickup

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  • KKday Vietnam SIM card provides 4G network service and hotspot sharing
  • This SIM card uses Vietnam Viettel Telecom roaming resources, with excellent signal coverage
  • We provide delivery and pickup in Hong Kong. You can receive the card before departure and travel in Vietnam easily.
  • For more details, please refer to the Ho Chi Minh City Guide
[5% App discount] Code: APP5OFF , HK: APP15HK
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Product Info

The content of this product is provided by machine translation and may not reflect the actual information, please take this into consideration before booking.

-Place of Collection-

[Happy Telecom Hong Kong Office]

Address: Unit B, 6/F, Yuen Luen Building, 112 Hau Ming Street, Kwun Tong, Kowloon, Hong Kong

Opening hours: Monday-Friday 10:30 - 19:00 (Closed on Hong Kong public holidays, please do not visit)

SIM Card Specifications

Data Usage Specifications3GB, 5GB, 8GB
Transmission Specifications4G
Signal Coverage AreaVietnam
Mobile CarrierViettel
Supported Sizes3-in-1 SIM
Hotspot SharingAvailable
Supported Frequencies(4G)B3(1800 MHz)
Top-Up AvailabilityTop-up unavailable
ExcludesVoice calls, Texts
Not SupportedSIM-locked device, Carrier-customized device, Mobile hotspot
Network TypeRoaming

Purchase Notice

  • Hotspot sharing will occupy bandwidth, and the network speed will vary depending on the terminal device and geographical location, so the minimum network speed is not guaranteed. Please confirm before placing an order
  • According to the principle of fair use of the Internet, telecommunications companies may restrict the traffic of users who use a large amount of data traffic in a short period of time. It is recommended to avoid watching videos or updating the system for a long time.
  • Click the URL to keep up to date with the latest news and precautions: https://www.happysim.hk/KKDayHappySIMUserGuide.html

Includes/Excludes

  • Postage fee
  • User manual

Reminders

  • The service will be automatically activated after the SIM card is inserted, no registration is required

  • The SIM card must be activated within 90 days of ordering. It is recommended to activate it as soon as possible after arriving at the "use area" to avoid expiration.

  • Day calculation method: Natural day system (user purchases a 3-day Internet plan, installs and activates at 10:00 am on 9/1, 23:59 pm on 9/1 is the first day, and this plan will end at 23:59 pm on 9/3)

  • The usage within the flow specification is provided according to the transmission specification standard. If the usage exceeds the flow specification, the transmission speed will be limited.

  • If the SIM card expires, the payment will not be refunded

  • Please do not insert the SIM card before arriving at the "use area", otherwise the customer will be responsible for the risk that the SIM card may not provide the expected or normal service.

  • Time zone calculation method: GMT +8 Hong Kong time zone is used as the standard, not the time zone of the "use area"

  • Note: The actual connection signal and speed will be affected by various factors, such as the relative location between the client and the transmitter, the website server resources, the Internet traffic status and the number of users, and the supported speed of the mobile device, etc.

Pickup Point

Available for Pickup

Kaixin Telecom Hong Kong Office

Address Info: Room B, 6/F, Union Building, 112 How Ming Street, Kwun Tong, Kowloon, Hong Kong

Service Hours

Monday 10:30 - 19:00

Tuesday 10:30 - 19:00

Wednesday 10:30 - 19:00

Thursday 10:30 - 19:00

Friday 10:30 - 19:00

Saturday Closed

Sunday Closed

Hong Kong is closed on national holidays, please do not go there


How to Use

  • If you use a dual-SIM phone, it is recommended to insert the SIM card into slot 1 (SIM1) to achieve the best performance.
  • After inserting the SIM card, please turn on mobile data and data roaming.
  • Please check that the network is connected to Viettel
  • Please check and confirm that the APN access point is 3gnet
  • Click the URL to keep up to date with the latest news and precautions: https://www.happysim.hk/KKDayHappySIMUserGuide.html

How to Use Your Voucher

  • Please present your QR code on-site

Voucher Redemption Period

  • The voucher must be redeemed on the selected date and within operating hours; Invalid after expiration

Cancellation Policy

  • Once the order has been completed, it cannot be canceled, modified, or refunded
NOTE
  • Due to time zone differences, the confirmed cancellation date is based on the supplier’s local time. Please allow 2–5 business days to process your cancellation request, after which the cancellation fee will be charged according to the product’s cancellation policy. Once the cancellation is confirmed, you will receive your refund within 14 working days.

FAQ

1. When traveling to Vietnam, what is the most recommended way to stay connected: a physical SIM card, eSIM, or Wi-Fi router?

Physical SIM cards and eSIMs are generally more recommended due to their convenience and personalized user experience. Physical SIM cards are plug-and-play, suitable for users with multiple devices who can share hotspots. eSIMs, on the other hand, do not require a physical card and can be set up by scanning a QR code, making them convenient and environmentally friendly. While Wi-Fi routers can be shared by multiple people, they require carrying an extra device and attention to charging, making them less ideal for travelers seeking to travel light.

2. When traveling to Vietnam, is it necessary to buy a local SIM card to get internet access?

To maintain internet connectivity during your trip to Vietnam, purchasing a local SIM card or eSIM is highly recommended. Although some hotels or cafes offer free Wi-Fi, having your own data card ensures stable internet and data security when you're outdoors, navigating, or sharing on social media, and is convenient for immediate navigation, social media sharing, and emergency contacts.

3. Before departing for Vietnam, what are the convenient and fast ways to obtain a Vietnamese internet card, and what are the pickup options?

You can purchase a Vietnamese internet card in advance before your departure to save time searching and buying upon arrival. For example, by booking through KKday, you can choose to pick up a physical SIM card locally in Hong Kong or opt for delivery service, allowing you to easily receive it at home. This eliminates the hassle of queuing at the airport and ensures you can get online immediately after landing, providing peace of mind and convenience.

4. When using an internet card in Vietnam, can I use messaging apps like LINE and WhatsApp smoothly?

Yes, as long as your Vietnamese internet card provides a stable internet connection, mainstream messaging apps like LINE, WhatsApp, and Facebook Messenger can be used smoothly in Vietnam. The operation of these applications relies on stable data transmission, and a high-quality internet card will ensure you stay connected with friends and family, sharing your travel moments in real-time.

5. What are the main mobile carriers in Vietnam? How is Viettel's network quality and coverage?

The main mobile carriers in Vietnam include Viettel, Mobifone, and Vinaphone. Among them, Viettel is the largest telecommunications company in Vietnam, known for its extensive network coverage and stable 4G network quality. Whether in major cities or tourist attractions, Viettel's signal is generally strong, providing a reliable internet experience.

6. What are the common data types for Vietnam internet card plans, and how can I choose a suitable plan?

Common data types for Vietnam internet card plans include 'total data' and 'daily fixed data'. The 'total data' plan offers a fixed amount of data, with speeds reduced once it's used up. The 'daily fixed data' plan provides a fixed amount of high-speed data daily, with speeds reduced after exhaustion but restored the next day. When choosing, consider your travel duration and expected data usage (e.g., extensive video streaming, navigation, video calls) to select a plan that can meet your itinerary's needs.

7. When using a Vietnamese internet card, besides major cities, is the network signal stable in suburban areas or popular attractions?

Vietnamese mobile carriers like Viettel typically have excellent network coverage in major cities such as Ho Chi Minh City, Hanoi, and Da Nang. For suburban areas or popular tourist spots, Viettel's signal stability is also relatively good due to its more developed infrastructure. When choosing an internet card, it is advisable to prioritize carriers with wide coverage like Viettel.

8. When using a Vietnamese internet card, do I need to carry an additional Wi-Fi router?

If you have purchased a Vietnamese internet card or eSIM, you typically do not need to carry an additional Wi-Fi router. Modern internet cards not only provide a stable internet connection but most also support mobile hotspot sharing, allowing your travel companions to connect as well. This reduces luggage burden and eliminates concerns about the router running out of battery, making your trip more convenient.

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