data koreaKorean eSim. Pros. Cons. No need to insert any physical SIM card into your phone. Can drain your phone battery the more you use your data. Can easily top up data if you run out. Much cheaper than roaming. Comes with a local phoneJAKARTA, - Korean wave atau hallyu dinilai memiliki pengaruh yang besar terhadap pariwisata Korea Selatan.. Di Indonesia,