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Stay connected across South Korea with the KT 4G/LTE Unlimited Data SIM—now 30% off and includes a free T-money transportation card when you buy a 3-day plan or longer. Powered by KT Olleh, Korea’s largest mobile network, this SIM offers lightning-fast 4G data, hotspot sharing, and a local 010 phone number. Perfect for travelers who need reliable data and easy communication while exploring the country.
Choose between two flexible SIM options—data-only or with ₩16,500 voice credit for domestic calls—and enjoy coverage anywhere in Korea for up to 90 days. Pick up your SIM conveniently at major airports including Incheon, Gimpo, Busan Gimhae, and Busan Port, then start browsing, navigating, and chatting instantly. With instant confirmation and free cancellation up to 1 day before use, this is the smartest way to stay online in Korea.
Korea SIM card at CU #1, 1F (4G LTE Unlimited Data, Prepaid KT SIM in Korea)
USD 3.09
I would definitely recommend this service to anyone traveling to South Korea. The convenience of picking up the SIM at the airport, along with the reliable data and voice service, made my trip much easier. No issues at all, and I appreciated the support from KT staff at Gimpo Airport.
Signal was excellent. I used it to travel around from city to city and didn’t have any issue with it. Will get it again next time.
Fuss free and easy to collect
easy to pick up. the customer service help a lot. and no problem with the sim card.
Very easy to use and seamless connection everywhere
Amazing value. Unlimited data plan and able to hotspot. Working well so far.