They always offer the best service and price！ Staff is very kind and can communicate well in English😀 it's very helpful for us foreigners who can't speak Korean😆 They have 7 branches in Seoul also can purchase SIMcard online it's so convenient！！
㈜친구아이앤씨 사업자번호 : 625-87-00571 | 통신판매신고 : 2021-서울광진-0051호 | 대표이사 : 김광일
서울특별시 광진구 아차산로30길31 친구모바일
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Best Korea unlimited Data Sim, Free Worldwide delivery, as low as 1USD/day, 4G LTE Unlimited Data Prepaid USIM Cards, eSIM and Wifi EGG (Router, Pocket Wifi) in Korea , Domestic Voice Calls, the best deal of unlimited SIM Card choices from the top 3 Korean network providers at affordable prices- SKL/KT/LG U+