South Korea eSIM | 5G/4G High-Speed Internet Access (3/5/8 Days) Daily Data eSIM [China Unicom Official Product]
- 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!
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
eSIM Installation Instructions (iOS)
eSIM Installation Instructions (Android)
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)
SIM Card Specifications
| Data Usage Specifications | 2GB |
| Transmission Specifications | 5G/4G |
| Signal Coverage Area | South Korea |
| Mobile Carrier | LG U+ / SK Telecom |
| Supported Sizes | eSIM |
| Hotspot Sharing | Unavailable |
| Supported Frequencies(4G) | B1（2100 MHz）, B3（1800 MHz）, B8（900 MHz） |
| Top-Up Availability | Top-up unavailable |
| Excludes | Voice calls, Texts |
| Not Supported | SIM-locked device, Mobile hotspot, Carrier-customized device |
| Reminders | ・Day calculation method: Natural day system (If the user purchases a 5-day Internet plan and installs and activates it at 10:00 am on September 1, this plan will end at 23:59 on September 5, 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 Type | Roaming |
| 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
- 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
You can easily purchase the China Unicom Korean eSIM online. For a convenient and seamless booking experience, you can use KKday. KKday offers a straightforward process where you select your desired data plan and validity period, complete the payment securely, and then receive a QR code via email for activation. This eliminates the need to queue for physical SIM cards, saving you time and hassle upon arrival.
The China Unicom Korean eSIM is compatible with most modern smartphones that support eSIM technology. This generally includes newer models of iPhones (iPhone XS, XR, 11 series and later), Google Pixel phones (Pixel 3 and later), and certain Samsung Galaxy devices (Galaxy S20 series and later), as well as other eSIM-enabled Android phones. Before purchasing, it is recommended to check your specific device's specifications to confirm eSIM compatibility.
Activating your China Unicom Korean eSIM is a simple process. After purchase, you will receive an email containing a QR code. To activate, ensure your device is connected to Wi-Fi, then go to your phone's settings, select "Cellular" or "Mobile Data," and choose "Add eSIM" or "Add Data Plan." Scan the provided QR code, follow the on-screen prompts to complete the installation, and enable the eSIM profile. Your new data plan will be ready for use upon arrival in Korea.
The China Unicom Korean eSIM provides high-speed 5G/4G internet access, ensuring a smooth online experience during your trip. It operates on a daily data type, meaning you receive a specified amount of high-speed data per day. Once the daily high-speed allowance is used, data speed typically reduces but remains available at a basic speed until the next day's high-speed allocation refreshes. This structure is ideal for managing data usage during travel.
Yes, one of the key advantages of using an eSIM like the China Unicom Korean eSIM is the ability to keep your original phone number active. Your home country's SIM card remains in your phone, allowing you to receive calls and SMS to your original number while using the eSIM for mobile data. This ensures you won't miss important calls or messages from your primary contacts while enjoying seamless internet access abroad.
The China Unicom Korean eSIM offers several distinct differences from a physical SIM card. With an eSIM, there's no need to physically swap cards, eliminating concerns about losing a small SIM or carrying a card pin. Activation is done digitally via a QR code, saving time from waiting for mail or picking up a physical card. It also allows you to retain your primary SIM card for calls while using the eSIM for data, offering greater flexibility and convenience for travelers.
Yes, the China Unicom Korean eSIM is an official product that utilizes carefully selected local operators in South Korea. This ensures a stable signal and reliable internet connection across major cities and popular tourist destinations. The focus on local network quality guarantees consistent service, allowing you to navigate, communicate, and stay connected effectively during your travels in Korea.
The China Unicom Korean eSIM offers flexible validity periods to suit various travel durations. You can choose plans for 3, 5, or 8 days. Each plan provides daily high-speed data, refreshing your data allowance each day for the chosen duration. This flexibility allows travelers to select a plan that best matches the length of their stay in South Korea, ensuring continuous internet access throughout their trip.
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