• 韓国旅行で使えるeSIMデータ通信サービス
  • eSIM利用の流れ
  • eSIM利用前確認
  • eSIM対応機種確認
  • eSIMデータ無制限プラン
  • eSIMよくある質問
  • eSIMサポート
1 7

Korea

Korea

¥730 JPY
¥730 JPY
Sale Sold out

Korea-eSIM

Data traffic
(Ex. : 1GB-5Days = After using a total of 1GB for 5 days, unlimited low speed during the period)

Unlimited Plan
High-speed communication is available for up to 24 hours/1 GB.
After exceeding the limit, the maximum speed is limited to 5 Mbps, but this is reset after 24 hours.

What you can do at 5 Mbps
🔸View websites (1-5 Mbps)
🔸Use map apps (5 Mbps for map display and route search)
🔸Stream music (200-500 Kbps)
🔸Video playback (5 Mbps at HD 1080P resolution)

 

Service Area / Operator

South Korea

Operator :
The eSIM will automatically connect to a major local mobile network in eligible countries with 5G.

View full details
eSIMの決済にご利用できます

Things to check before purchasing

Pre-check before use


★Confirmation before purchase 

  • Is your device capable of using eSIM?
  • Is your SIM unlocked?

★Flow after purchase

  • After purchasing an eSIM, a QR code will be displayed on your My Page once your order details have been confirmed and payment has been approved. The QR code will also be sent to you separately by email.
  • Scan either the QR code listed on My Page or the QR code sent by email.
    *If the QR code does not appear on your My Page for a long time or you do not receive an email, please contact us.
    *We have implemented security measures to ensure safer shopping. As a result, you may receive an SMS authentication email in some cases. If you receive an SMS authentication email, please respond accordingly.
    *It may take some time to receive the QR code, so please purchase your eSIM well in advance.

★About QR codes sent by email

  • A QR code will be sent from adminhk@tsimtech.com.
  • Please check your spam folder to see if it has been delivered there.
  • If you do not receive the QR code email, please contact us.
  • Even if the email is not delivered, there is no problem if the QR code is listed on My Page.

★QR code expiration date

  • The validity period is 90 days from the purchase date.
    You must install the QR code and connect to data services within the designated coverage area within 90 days.
    The usage period starts when you connect to data services after installation.


 

　

 

About your device

Please check here for your device.

*Please be sure to check. Returns are not accepted after purchase.
*Some iPhones sold in mainland China, or in Hong Kong and Macau, do not support eSIM.

Points to check

・Depending on your mobile device or country, you may need to unlock your SIM. Please make sure the SIM is unlocked before purchasing.

・The expiration date of the eSIM is within 30 days including the date of arrival of the eSIM service activation email. Please set up your data plan before it expires.

・Please make sure you have an eSIM compatible mobile phone before purchasing. We cannot respond to requests for refunds/cancellations.

・24 hours per day (Example: If you purchase a 1-day plan: If you activate it at 10:00 on September 1st, you will be able to use it until 9:59 on September 2nd.)

・If you are unable to connect to the Internet with your eSIM after setup, please refer to the eSIM connection setup steps above and check your mobile phone settings.

・The eSIM 2D code can only be scanned once. Please be careful not to accidentally delete the eSIM after setting it up.

・To terminate the use of the eSIM function, please proceed from "Delete mobile communication plan".

    How to install eSIM

    Cancellation and refunds

    Cancellations, refunds and changes are not possible.

    For more information, please click here

    Service Information

    ✓ Data Plan Details

    Data-only plan

    Standard voice calls and SMS using a phone number are not supported.

    ✓ Tethering

    Supported (depending on device specifications)

    ✓ Network Type

    International roaming

    Uses local carrier networks in each country.
    * The displayed carrier name may appear as an overseas operator.

    ⚠ Important Notes Before Use

    • Connection speed may vary depending on network conditions and congestion (best-effort basis).
    • Service may be unavailable indoors, inside buildings, or due to terrain conditions.
    • Signal availability may be limited even on higher floors depending on coverage conditions.

    ✔ Easy & Reliable eSIM

    ✔ Instant activation via QR code

    ✔ No physical SIM card required

    ✔ Japanese-language support available


    We use the networks of telecommunications carriers that provide services in overseas countries and regions.

    Expiration date of eSIM

    30 days including the date of purchase

    Please make sure that the QR code is installed and connected to data communication within 30 days.　　

    ※ The service is provided on a best-effort basis, and the actual communication speed may vary depending on the communication environment and network congestion.
    ※ As this service uses radio waves, it may not be available even within the service area due to indoor conditions or surrounding obstacles (such as buildings or terrain). Additionally, the service may be unavailable in high-rise buildings or upper floors of apartments, even in locations with a clear view.

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