What is the Best Prepaid SIM in S. Korea for Travelers

Arrival Floor (1F) in Incheon International Airport, Where Over 80% of All Prepaid SIM in S. Korea for Travelers Sales Occur

What is the way to be connected in Korea as a short-time travelers with your smartphone, now? There are so many articles that compare one with another. But I found that the information they showed was so out of date that it could mislead travelers rather than helped them.

I had been a researcher (as to Korean mobile telecommunication policy and industry sector) in the public institute for over 10 years, and am following the issue. Recently prepaid SIM market for travelers seems to be growing rapidly and catch my interest.

Then, what on earth is the best prepaid SIM in S. Korea for travelers?

Let’s find the answer from now on.