Get Exclusive App Deals
Product #526734
1
Scenic view of Southeast Asian temple architecture by water, overlaid with China Unicom 5G eSIM graphic highlighting instant QR code activation for Singapore, Malaysia, Thailand, and Indonesia.

eSIM for Singapore, Malaysia, Thailand, and Indonesia | 5G/4G High-Speed ​​Internet, Daily Data Plan eSIM [China Unicom Official Product]


No cancellation

  • No need to wait for mailing, no need to rush to pick it up, no need to worry about losing the card pin, you can travel abroad with peace of mind
  • Carefully selected local operators, stable signal, no need to change cards, no missed calls with the original number, high efficiency on business trips
  • Official product of China Unicom, connection quality and after-sales customer service are guaranteed!
[5% App discount] Code: APP5OFF , HK: APP15HK
Instant confirmation

Package Options

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.

Please confirm your device is compatible with eSIM before purchasing

Please confirm your device is compatible with eSIM before purchasing

eSIM Installation Instructions (iOS)

Comprehensive guide for eSIM activation on Apple iOS devices, detailing the steps from cellular data settings to scanning a QR code or manually entering information.

eSIM Installation Instructions (Android)

Step-by-step guide for eSIM activation on Android devices, using a Galaxy S24 as an example, illustrating the process from phone settings to scanning the QR code for network connection.

Please follow the instructions in the China Unicom Hong Kong email to scan the QR Code to use the eSIM (if you do not receive the email, please check your spam folder first)

Screenshot of a China Unicom (HK) eSIM order confirmation email, displaying the QR code and manual setup details for convenient and quick user activation of the eSIM.

SIM Card Specifications

Data Usage Specifications2GB
Transmission Specifications5G/4G
Signal Coverage AreaSingapore, Malaysia, Thailand, Indonesia
Mobile CarrierSingapore: StarHub, Singtel / Malaysia: Digi / Thailand: True / Indonesia: Indosat
Supported SizeseSIM
Hotspot SharingUnavailable
Supported Frequencies(4G)B1(2100 MHz), B3(1800 MHz), B8(900 MHz)
Top-Up AvailabilityTop-up unavailable
ExcludesVoice calls, Texts
Not SupportedSIM-locked device, Mobile hotspot, Carrier-customized device
Reminders

・Day calculation method: Natural day system (Users purchase an 8-day Internet plan and install and activate it at 10:00 am on 9/1. This plan will end at 23:59 on 9/8, China Standard Time (UTC+8))

・If the location or mobile phone does not support 5G, it will automatically switch to 4G/3G signal. The actual network speed will be based on the local signal.

・Dial *118*50# to check remaining data

・This product does not support the use of TikTok.

Network TypeRoaming
Mobile Virtual Network Operator (MVNO)中國聯通

Purchase Notice

  • This product only provides data Internet access services, does not include local phone numbers, and has no call function.
  • After purchase, you will receive an email from China Unicom Hong Kong containing the eSIM QR Code within the second working day (excluding Saturdays, Sundays and public holidays) at the earliest. Scan the QR Code according to the instructions in the email to use the eSIM. If you do not receive the email, please check your spam folder first.
  • Please make sure that your mobile phone has eSIM function and there are no SIM card restrictions. No refunds, changes or cancellations for any reason will be accepted after the order is placed. Please note.
  • In accordance with the principle of fair use of the Internet, telecommunications companies may, at their discretion, limit the traffic of users who use a large amount of data traffic in a short period of time. Please avoid watching videos for a long time or processing a large amount of data in a short period of time.
  • Please be aware that the quality of Internet access may be affected by factors such as location, terrain, building obstruction, number of users and weather.

Reminders

  • Please print the QR code on your voucher before departure, or prepare another device that can display the QR code on your voucher to facilitate the installation of the eSIM

  • After purchase, you will receive an email from China Unicom Hong Kong containing the eSIM QR Code within the second working day (Monday to Friday, excluding Saturdays, Sundays and public holidays) at the earliest. Scan the QR Code according to the instructions in the email to use the eSIM. If you do not receive the email, please check your spam folder first.

  • The first day of your Internet access is counted as the first day of your Internet access. It is recommended that you scan the QR code and install the service before departure or after arriving at your destination to avoid premature activation, which may affect your rights and interests.

  • This eSIM must be activated within 365 days of issuance. It is recommended to activate it as soon as possible after arriving at your destination to ensure your rights and interests.

  • eSIM only supports one-time scan code installation. Please do not delete the eSIM arbitrarily after successful installation.

  • 【China Unicom Customer Service Information】WhatsApp: +852 6361 0010 / Hong Kong phone +852 2122 1188 / Customer Service Email: hk-cs@cuniq.com (09:00–21:00 daily)

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. Which eSIM is recommended for travel across Singapore, Malaysia, and Thailand?

For seamless connectivity across Singapore, Malaysia, Thailand, and Indonesia, an eSIM offering 5G/4G high-speed internet with daily data is highly recommended. Look for options from official providers like China Unicom, which ensure stable signal quality and reliable after-sales support. This allows you to avoid physical SIM card changes and maintain your original number, providing peace of mind during your trip.

2. How do I activate and set up the eSIM for use in Singapore, Malaysia, Thailand, and Indonesia?

Activating this eSIM is straightforward. Upon purchase, you typically receive a QR code via email. Simply scan this QR code on your compatible device to initiate the setup process. Follow the on-screen instructions, which usually involve adding the cellular plan and ensuring data roaming is enabled. This digital process eliminates the need for physical card insertion and card pins.

3. Is using an eSIM permitted for travelers in Thailand, Singapore, Malaysia, and Indonesia?

Yes, eSIM technology is widely accepted and legal for travelers in Thailand, Singapore, Malaysia, and Indonesia. These countries embrace modern mobile connectivity solutions, making eSIM a convenient and compliant option for accessing mobile data services without legal restrictions. You can confidently use your eSIM for internet access throughout your journey.

4. What are the potential drawbacks or disadvantages of using an eSIM for multi-country travel?

While highly convenient, potential drawbacks of using an eSIM can include device compatibility limitations, as it requires a newer smartphone model. Additionally, initial activation via QR code depends on having an internet connection, and some users might find managing multiple eSIM profiles on one device less intuitive than physical cards. However, these are often minor compared to the benefits.

5. Can the Singapore, Malaysia, Thailand, and Indonesia eSIM be used solely for mobile data access?

Yes, this multi-country eSIM is primarily designed for high-speed mobile data access. It provides daily data allocations for internet connectivity, enabling seamless use of mapping services, messaging apps, and web browsing. This allows you to stay connected abroad without interfering with your primary physical SIM card, meaning your original number remains active for calls and texts.

6. How does an eSIM data plan typically function for international travel in multiple countries like Singapore, Malaysia, and Thailand?

An eSIM data plan works by embedding digital SIM information directly into your phone, replacing a physical card. For multi-country travel, this eSIM contains profiles pre-configured to connect to local partner networks in Singapore, Malaysia, Thailand, and Indonesia. It automatically switches to the strongest available network in each covered country, providing continuous high-speed internet access without manual adjustments or physical SIM swaps.

7. What kind of data connectivity and network speed can I expect with an eSIM in Singapore, Malaysia, Thailand, and Indonesia?

With this eSIM, you can expect reliable 5G/4G high-speed internet connectivity across Singapore, Malaysia, Thailand, and Indonesia. The service utilizes carefully selected local operators to ensure a stable signal, allowing for smooth browsing, streaming, video calls, and use of online applications throughout your travels in these regions, guaranteeing a robust online experience.

8. How does this multi-country eSIM simplify internet access compared to traditional physical SIM cards when traveling?

This multi-country eSIM significantly simplifies internet access by eliminating the need to physically change SIM cards. You avoid the hassle of finding local vendors, handling small card pins, or risking the loss of your home SIM. Setup is digital via QR code, allowing for quick activation and maintaining your original phone number for calls, enhancing overall convenience for both business and leisure travelers.

Get Help

KKday Help Center