Skip to content

Extra 5% OFF - Ends Today! Use Anytime Within 1 Year

  • eSIM (Data only)
  • eSIM (Data, Call, SMS)
  • USIM (Airport Pickup)
  • Support
  • Contact
  • eSIM (Data only)
  • eSIM (Data, Call, SMS)
  • USIM (Airport Pickup)
  • Support
  • Contact
한국어 English

Extra 5% OFF - Ends Today!
Use Anytime Within 1 Year

YCK Logo
한국어 English
  • eSIM (Data Only)
  • eSIM (Data, Call, SMS)
  • USIM (Airport Pickup)
  • Support
  • Contact
  • Current Promotions
    • About us
    • Terms & Conditions
    • Personal Information Processing Policy
    Product
    • eSIM (Data only)
    • eSIM (Data, Call, SMS)
    • USIM (Airport Pickup)
    • Current Promotions
    Support
    • FAQ
    • How to check unlock
    • How to check eSIM
    • How to install eSIM
    • How to install USIM
    Contact
    • Contact us
    • Contact in South Korea
    • SKT roaming center
    • Customer Question

    COPYRIGHT Ⓒ Y CONNECT KOREA, INC. ALL RIGHTS RESERVED.