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BESTThe setup method is simple and it can be used the moment you arrive in the country, so if you check the time and add +1, you can use it until departure.
Introducing USIMSA's completely unlimited eSIM, allowing you to enjoy unlimited data without worrying about data usage. Unlimited usage is available for the number of days you purchase, with no speed reductions. It's also compatible with major local carriers, ensuring a stable connection anytime, anywhere. Furthermore, Yusimsa's eSIM is a member of the GSMA (Global System for Mobile Communications Association), ensuring safe and secure use based on global standards.
Travel more lightly and safely with completely unlimited data and convenience!
Operating Hours:
Messenger Customer Center
24 hours a day, 365 days a year
Wired Customer Center
9:00 AM - 6:00 PM (Lunchtime 12:00 PM - 1:00 PM)
Closed on weekends and public holidays
contact :
Domestic: 1661-0158
Overseas (for local disabled users only): 070-5097-6417
KakaoTalk Plus Friend: @USIMSA