South Korea eSIM for Australian travellers

A South Korea eSIM gives a compatible, unlocked phone prepaid mobile data for maps, transport apps and messaging in Seoul, Busan, Jeju and beyond, without swapping out your Australian SIM.

Fixed-data plans (South Korea eSIM) give one data allowance to use over the validity period; it does not reset each day. They suit travellers who mostly use maps, messaging and bookings.

Daily plans (South Korea Unlimited eSIM) give a high-speed allowance each day for the number of days you choose. After the daily allowance is used, speed is reduced until the next day. They suit heavier daily use, such as video calls or sharing a hotspot.

Start from your phone's recent mobile-data use at home, then add headroom for navigation and uploading photos. As a planning example, 20GB over 14 days is about 1.4GB a day; over 7 days it is about 2.9GB a day. Video streaming, video calls, cloud backups and hotspot use add up quickly, so save them for Wi-Fi or choose a larger or daily plan. The travel data planner has daily budgets for 7, 14 and 30 days.

These plans are data-only: they do not include a local phone number, standard calls or SMS. A dual-SIM phone can keep your Australian SIM installed for calls and texts while the travel eSIM carries mobile data. Turn off data roaming on the Australian line if you want to avoid your carrier's roaming charges, and check your carrier's terms for incoming calls and texts.

Messaging and calling apps such as WhatsApp, iMessage and FaceTime work over the travel eSIM's data. More on how this works: what an eSIM is and keeping your Australian number overseas.

1. Confirm your exact phone model supports eSIM and the phone is carrier-unlocked (compatibility guide).
2. Your plan's validity starts when you first use it in a covered destination, not when you install it. Install on Wi-Fi before you fly. Use the QR code in your delivery email.
3. Label the new line “South Korea” so it is easy to pick in your settings.
4. On arrival, set the travel eSIM as your mobile-data line, turn on data roaming for that line, and follow the plan's activation instructions.

Step-by-step guides: iPhone, Samsung, Google Pixel and the general installation guide. If it does not connect, see troubleshooting before deleting anything. Payment, delivery and your order page are explained in how Telroo works; for the trip itself, see keeping your phone safe overseas and, once you are home, what to do with the eSIM after your trip.

1. Find “Add eSIM” or an EID in phone settings.
2. Confirm your exact model and region support eSIM.
3. Confirm the phone is carrier-unlocked.

Full compatibility guide

1. Choose a plan: Match the data allowance and validity to your itinerary.
2. Open the QR code: Use a second screen so your phone can scan the supplied code.
3. Install on Wi-Fi: Scan the QR code in your delivery email while connected to reliable Wi-Fi.
4. Use it at your destination: Your plan's validity starts when you first use it in a covered destination, not when you install it. Install on Wi-Fi before you fly.

Install and activate your eSIM within 180 days of purchase. The installation guide explains each step.

Telroo sells the plans linked on this page. This is a planning guide, not an independent provider comparison or a coverage test. Networks, hotspot support and speed conditions are taken from the South Korea product pages on 16 October 2026; plan prices in the tables are live and confirmed at checkout. Check the selected plan's details before paying.