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Please activate your eSIM on our website at least 3 days before your departure date.
https://en.dhasim.jp/activation/
Please contact our customer support should you require immediate assistance.
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 [Expiry] 6 months after purchase. Please use this SIM card within the expiry date.
  
[High-speed communication] Unlimited high-speed communication using Korea's largest telco line, SK telecom.
  
[Supported devices] SIM-free smartphones, tablets, and Wi-Fi routers. Tethering is available.
  
[Supported frequency bands] 4G/LTE: Band 1/3/8; 3G/W-CDMA: Band 1
  
[Product package] Instruction manual with activation code

[How to use]
1. Access the activation application page from the QR code on the package/email.
2. Enter your activation code written on the package/email in the application page.
3. The plan QR code will be sent to your email address entered upon application.
4. Scan your QR code and set up after arriving at your destination.
*Please apply for activation at least 3 days before departure. For immediate assistance, please contact our support center.
*There may be cases where the SIM card does not work when using MVNO (low-cost SIM). Please delete the profile of the MVNO (low-cost SIM) first and proceed to setting up the SIM card.

[Safe support]
We provide support in Japanese, English, and Chinese, from sales to consultation regarding usage. Please feel free o contact us if you have any questions about the product of its setup.
We provide local support, replacement, and reissuing of SIM cards in Korea.