Korean SIM Card | 5G Internet Daily High-Speed Data/Total eSIM
- Supports one-click installation on iOS: Update to the latest version of the iOS App and iOS 17.4 or later to install eSIM with one click in the KKday App.
- Enjoy fast and seamless 5G internet access without changing your SIM card – no fumbling around!
- You can scan the eSIM QR code upon receiving it to install and use the device, eliminating the need to travel back and forth to pick up a physical SIM card or wait for it to be mailed to you.
- Environmentally friendly, no consumables required, free shipping, zero risk of loss.
- Supports Apple and many Android phones. *Samsung phones may vary depending on the country of purchase; please check before buying whether they support eSIM (Samsung phones purchased in Taiwan do not support eSIM).
- This eSIM data roaming service is provided by Hutchison Telecommunications Hong Kong Holdings Limited.
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 that your device is compatible with eSIM before purchasing. After sending the eSIM QR code, this product is non-refundable
eSIM Installation Instructions
eSIM Android Installation Instructions - Taking Google Pixel 3a as an example
How to manually enter the enabler code
SIM Card Specifications
| Data Usage Specifications | Unlimited data, 500MB, 1GB, 2GB, 3GB, 5GB, 10GB, 20GB, 30GB, 50GB |
| Transmission Specifications | 5G/4G |
| Signal Coverage Area | South Korea |
| Mobile Carrier | SK Telecom, LG U+ |
| Supported Sizes | eSIM |
| Hotspot Sharing | Available |
| Supported Frequencies(4G) | B1（2100 MHz）, B3（1800 MHz）, B7（2600 MHz）, B5（850 MHz） |
| Supported Frequencies(5G) | n78（TD 3500） |
| Top-Up Availability | Top-up unavailable |
| Excludes | Voice calls, Texts |
| Not Supported | SIM-locked device, Carrier-customized device, Mobile hotspot, modified phones, 3G phones, translation machines, phones without eSIM function |
| Network Type | Roaming |
| Mobile Virtual Network Operator (MVNO) | Hutchison Telecommunications Hong Kong Holdings Limited |
Purchase Notice
To check your data usage, go to https://flow-consumer-center.billionconnect.com/usageq/kkdayota/en to go to the query page.
Real-time usage tracking is not supported. Roaming service providers' usage data is updated with a one-hour delay. (For example, a query at 10 a.m. will show usage as of 9 a.m.)
Includes/Excludes
Reminders
You can install the eSIM before arriving at your destination, activate the package after arriving at your destination, and the usage date will start counting.
An internet connection is required to install the eSIM. We recommend installing it before departure or using the free airport Wi-Fi at your destination.
A QR code can only be scanned once with one mobile phone, and the device cannot be changed after binding.
Days are calculated based on the number of hours after the eSIM is activated. (If a user purchases a 3-day data plan and activates it at 10:00 AM on September 1st, this plan will expire at 9:59 AM on September 4th.)
The eSIM is valid for 90 days, starting from the order date. Please activate it within the validity period.
Please remember to turn off data roaming on the original SIM card to avoid using the original SIM card's mobile network and incurring high roaming charges.
Once installed, an eSIM can be deleted and reinstalled on the same device up to 10 times. An eSIM can be reinstalled within the validity period of the QR code (for an inactive eSIM) or the plan (for an activated eSIM). Once the validity period has expired, it cannot be reinstalled.
If an error message appears after scanning, it doesn't mean the eSIM is invalid. Restart your phone and go to Settings > Mobile Services to check if the eSIM has been added. Alternatively, contact customer service for assistance. Do not scan additional QR codes, as this will cause multiple eSIMs to be installed on one phone.
For iPhones, please delete the description file (check steps: Settings -> General -> Device Management, scroll to the bottom, if there is no description file, it means it is normal) to avoid problems with smooth use.
Telecom network quality varies from country to country. Each country's geography and telecommunications infrastructure vary. Refunds cannot be requested due to signal issues in certain areas. If you experience poor signal quality, you can manually switch carriers. To switch carriers: Select Network/Carrier > Auto Disable > Search to select a carrier.
To maintain network quality and adhere to the Fair Usage Policy (FUP), telecommunications companies around the world sometimes impose data limits on customers who use a significant amount of data in a short period of time. This may result in internet access interruptions or slower speeds. To ensure a stable internet connection, please avoid prolonged viewing or downloading of videos, software updates, sharing your internet connection (hotspot) with others, or other activities that consume a large amount of data.
If the eSIM plan is not fully used or is deleted without the approval of customer service, no reissue or refund will be made.
To check your data usage: Visit https://flow-consumer-center.billionconnect.com/usageq/kkdayota/en to go to the query page. Real-time usage tracking is not available. Roaming providers' usage data is updated with a one-hour delay. (For example, a query at 10 AM will show usage as of 9 AM.)
How to Use
- Installation steps:
Method 1: iOS supports quick installation (update to the latest version of the iOS App and iOS 17.4 or later, and you can install eSIM with one click through the KKday App)
Method 2: Scan the QR code
Method 3: Manually add SM-DP_Address and ActivationCode - Activation steps:
1. After arriving at your destination, turn off all other SIM cards and only enable eSIM and its data roaming.
2. Configure the eSIM's APN (usually the APN is automatically recognized; if it cannot be automatically recognized, you need to configure it manually).
APN: mobile.three.com.hk - Use period
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
The cost of a Korean eSIM card is primarily determined by the data plan type and its validity period. Options usually include daily high-speed data plans, which are suitable for short trips, and unlimited plans without speed reduction, designed for longer stays or heavier usage. The duration of your chosen plan directly impacts the overall cost. Selecting a plan that matches your travel duration and data needs helps optimize expenses.
Korean eSIM cards are generally designed for single-use activation with a specified validity period. For multiple visits, you would typically need to purchase a new eSIM for each trip. For extended stays, you can choose plans with longer validity or unlimited data options to cover your entire duration. Always confirm the specific plan's terms and conditions regarding its validity and reusability before purchase.
Using a Korean eSIM offers significant convenience by eliminating the need to physically change SIM cards. You receive a QR code, which you simply scan to install and activate the eSIM quickly. This means no waiting for physical card delivery or pickup, and zero risk of losing a tiny physical card. It provides a hassle-free, immediate internet connection experience upon arrival in Korea.
Yes, Korean eSIM cards are designed to provide 5G high-speed internet access. This ensures a quick and smooth online experience for all your data needs, from navigation and social media to streaming. You can choose between daily high-speed data plans and unlimited data plans that maintain high speeds without reduction, catering to various usage patterns.
Most Korean eSIM cards primarily focus on providing high-speed mobile data for internet access. While some specialized plans might offer call and SMS functions, the standard offerings are data-only. For making calls and sending messages, you can often rely on internet-based communication apps like WhatsApp, Line, or WeChat while using your eSIM's data connection. Always check the specific plan details if calls or SMS are a priority.
Activating a Korean eSIM card is a straightforward process. Once you receive the eSIM QR code, you can easily scan it using your phone's camera or a dedicated eSIM setup menu in your device settings. Follow the on-screen prompts to complete the installation. After installation, ensure your phone's mobile data settings are configured to use the new eSIM for internet access, and you'll be ready to use 5G internet immediately.
Korean eSIM cards are compatible with a wide range of modern smartphones, including most Apple iPhone models (iPhone XR and newer) and various Android phones from brands like Google Pixel and Samsung. It's important to note that Samsung phones purchased in certain regions (e.g., Taiwan) might not support eSIM functionality. Always verify your specific phone model's eSIM compatibility before purchasing to ensure seamless use.
If you experience connectivity issues with your Korean eSIM card, first try restarting your phone. Next, check your phone's settings to ensure the eSIM profile is enabled and selected for mobile data. You can also manually select a network operator from your phone's cellular settings. If issues persist, verify that you haven't exceeded your data limit. If these steps don't resolve the problem, contacting customer support for assistance is recommended.
Get Help
