nextSIM eSIM Data Plans for South Korea

nextSIM does not provide a truly unlimited data eSIM plan for South Korea. All plans listed as “Unlimited” actually have a fixed data cap, such as 1 GB or 2 GB, and the speed is reduced to 512 kbps or 2000 kbps after the limit is reached. If you need more data, nextSIM offers fixed‑data options that may be more cost effective, such as a 50 GB plan for 30 days priced at $84.08 USD or a 100 GB plan for 30 days at $148.90 USD. These larger plans give you a set amount of high‑speed data without the throttling that comes with the “Unlimited”‑named plans.

nextSIM does not provide South Korea eSIMs that include a phone number or SMS capability. The plans it offers for South Korea are data‑only, so travelers will not receive a local South Korean number with voice or text services.

Customers who need phone or text functionality can use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection, but this may depend on local restrictions. It is advisable to confirm that the specific apps you rely on are accessible in South Korea before purchasing an eSIM from nextSIM.

nextSIM offers 35 single‑country data plans and 65 multi‑country plans for South Korea. The available plans range in price from $3.85 to $1, 256.41 and carry data caps between 1 GB and 100 GB. Single‑country plans usually provide a fixed data amount, while multi‑country plans may include daily data‑cap options to accommodate varying travel lengths.