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Global eSIM expert for 200 countries.
4.9





이건*
BESTI used it really well for half price~

Your trip has already begun,
with USIMSA
Essential data for your travels! If you want to start your journey comfortably, we recommend our data eSIM. It's a product you can use with just a smartphone setting, without needing to swap SIM cards. No more carrying bulky pocket Wi-Fi devices! Start your trip lighter, more conveniently, and at a lower cost.






Operating Hours:
Messenger Customer Service
24 hours a day, 365 days a year
Phone Customer Service
9:00 AM - 6:00 PM (Lunch break 12:00 PM - 1:00 PM)
Closed on weekends and public holidays
Contact Information:
Domestic: 1661-0158
International (Local Issue Only): 070-5097-6417
KakaoTalk Plus Friend: @유심사