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 phone(Korea → Korea) 4.4 KRWsecond: 110 KRWmessage: Outgoing amount automatically deducted from charged balance (Minimum recharge cost: 5,000 KRW) ... Available number of purchase