When I first planned my trip to Korea, I expected SIM cards to be a straightforward thing. But after about ten minutes of research, I found myself in a rabbit hole of options—eSIMs, physical SIMs, airport booths, courier delivery—and honestly, it got overwhelming fast. I eventually chose Chingu Mobile , not because someone told me it was the best, but because it looked beginner-friendly. And since I’d never set up an eSIM before, that mattered a lot to me. Now that I’ve used it for two weeks across Seoul and Busan, I wanted to share how it actually went—what worked, what could’ve been better, and what I wish I knew before I arrived. Why I Ended Up Choosing Chingu Mobile I wasn’t looking for the cheapest SIM, just one that would work without much fuss. Their site was in English, they offered both physical SIMs and eSIMs, and the airport pickup instructions were really clear. I went with the 15-day unlimited eSIM , mostly because I didn’t want to deal with opening my phone and finding a ...