Travel eSIM
South Korea travel eSIM
Sick of roaming rip-offs? Get real data for South Korea without the BS.

Plans & prices
South Korea plans

Unlimited hot spotting

Top ups available

Data-only - no phone number
- Their app is great!!! I wanted to give ZenSim a try and I am glad I did. This app has worked great, easy set up and simple to manage, cool colours and fun copy writing.App store review by Mariale0723
- Great service, answered all my questions without a bother. Highly recommended, especially now since the Vodafone Optus deal.Product Review by Steve G
- Amazing service – Best provider got connected straight away no delay. Awesome customer service always get help if I need help.Product Review by Matthew R
- I wish I heard about this product sooner, everything is on point, the price, the service, ease of use and also very reliable.Product Review by Rambod-88
- Zensim are amazing! Zensim was the easiest company I've ever signed up to. The data speeds are super fast. The customer service is outstanding. I couldn't rate them highly enough.Product Review by Paris B
- Don’t hesitate! – Great service, exceptional customer service! When leaving Telstra find customer id not acc number from a bill.Product Review by Glenn B
- Impressive in every way! Surprisingly reliable with fast data speeds. Loved the branding and the price is reasonable. Highly recommend.Product Review by Abhay
- Setting a new gold standard for cell phone carriers. The UX and UI of the website and app are first class. Ported my number from Vodafone within minutes. Set up was so easy. Very, very impressed.Product Review by Andy
- Extremely fast sign up/switching process, I accidentally entered incorrect information and they resolved it for me in minutes. App is tight, super clear simple language.Product Review by Jack
- Their app is great!!! I wanted to give ZenSim a try and I am glad I did. This app has worked great, easy set up and simple to manage, cool colours and fun copy writing.App store review by Mariale0723
- Great service, answered all my questions without a bother. Highly recommended, especially now since the Vodafone Optus deal.Product Review by Steve G
How to use travel esims
How it works
If you haven't used a travel eSIM before, you're in for a treat. It only takes a few minutes to setup and it's a fraction of the cost of roaming! See WTF is eSIM.
1. Quick phone check
Let's make sure your phone's on board. Our eSIM compatibility checker has all of the answers.
2. Choose a plan, enter your details
Choose a plan for your destination, enter your details and your payment information.
4. Plan activated on arrival
Enjoy your data as soon as you land. Check your usage in the ZenSim app.
South Korea data plans from A$Infinity
Ditch the roaming costs and save coin with our South Korea travel eSIM plans.
Reliable 4G/5G connection
Powered by the best networks in South Korea.
Keep you current number
You can have multiple eSIMs installed and switch them on and off as you like.
eSIM compatibility checker
See our eSIM compatibility checker to makes sure your phone has got what it takes.
South Korea eSIM FAQs
If installed before your trip, it will activate when you land in South Korea.
If installed after arrival, it goes live right away.
Having issues? Check our eSIM Troubleshooting Guide or contact us for assistance.
Not until you land in South Korea. Installing ahead won’t start your plan; it goes live automatically when you arrive.
Make sure to install before you travel, as WiFi is required for setup and this way your South Korea eSIM will be ready to use when you land.
If you encounter connection issues, see our eSIM Troubleshooting Guide or contact support.
Of course! At ZenSim, we offer eSIMs that support over 200+ countries, including South Korea. On top of this we also provide regional eSIMs which cover multiple countries within one eSIM, please see our Travel eSIMs page for more info on these.
Your South Korea eSIM is designed for use within South Korea, so once it's been activated there, it won’t work in other countries.
If you're visiting multiple destinations, a better option might be one of our regional Travel eSIMs that cover entire regions like Europe or Asia.
Yes! Your South Korea eSIM can be installed as early as 30 days before you travel. It won’t start until you touch down in South Korea.
Installing beforehand means no setup stress on arrival, and it won’t use any data or days until you land.
If you get an activation warning on iPhone when installing before arriving, that’s normal - check our eSIM Troubleshooting Guide for details.
Network & Data Issues: If your eSIM is refusing to work, check out our eSIM troubleshooting guide. For personalized help, send us a message and we’ll jump on it.
Installation Queries: Need a walkthrough on how to install? View our eSIM install tutorial - or drop us a line via our contact form.
General Support: Have something else in mind? Reach out here and we’ll handle it swiftly.
If you want to avoid roaming headaches in South Korea, a travel eSIM is the smarter pick:
Big Savings: Our local South Korea eSIM data plans are priced for residents, not tourists who pay premium roaming costs.
Easy Plan Changes: Upgrade or downgrade your data allowance on the fly - no need for a new SIM.
Full Transparency: See your data usage in - app so you won’t run out unexpectedly or incur extra charges.
No - our South Korea travel eSIMs are data - only, so they don’t come with a voice line or phone number. Any calls or texts must go through internet apps like WhatsApp, Telegram, or Viber.
Your eSIM will activate automatically when you arrive in South Korea. We recommend installing your South Korea Travel eSIM in advance (installation is different from activation).
Just scan the QR code you receive or install via the ZenSim app using WiFi. Once you touch down in South Korea, your eSIM will go live automatically.
If anything goes wrong, check out our eSIM Troubleshooting Guide or contact us 😊
Our South Korea travel eSIMs are purely data - no native voice or SMS services are included. If you need calling, use an internet - based app like WhatsApp or Skype over your data connection.
Of course. Open the ZenSim app and log in. From there, you can choose to top up your eSIM with additional days or gigabytes.
Just select the top-up plan you need (for example, another 30 days or a plan of 10GB) and complete your purchase - it’s instant.
eSIM options for other destinations
Top 3 Things to Do in South Korea
1. Visit Gyeongbokgung Palace, Seoul
Gyeongbokgung Palace is a stunning historic landmark and one of South Korea’s most iconic cultural sites. Explore its beautiful architecture, serene gardens, and learn about Korea’s royal history. Don’t miss the Changing of the Guard ceremony, which adds a touch of tradition to your visit.
2. Discover Jeju Island
Jeju Island, known as the "Hawaii of Korea," is a natural paradise offering stunning beaches, volcanic landscapes, and lush forests. Hike up Hallasan Mountain, explore Manjanggul Lava Tube, or relax at Jungmun Beach. Jeju Island is a perfect destination for nature lovers and adventure seekers.
3. Shop and Dine in Myeongdong
Myeongdong is a bustling district in Seoul famous for its vibrant shopping streets and delicious street food. Discover trendy fashion boutiques, skincare stores, and indulge in local delicacies like tteokbokki and hotteok. Myeongdong captures the energy and culture of modern South Korea.
Travel eSIM for South Korea
Affordable data plans in South Korea
ZenSim provides affordable data plans for travellers in South Korea. Stay connected while exploring Jeju Island or visiting Gyeongbokgung Palace without worrying about high roaming fees. Enjoy reliable connectivity with ZenSim.
The best South Korea travel eSIM
ZenSim is your trusted travel eSIM for South Korea. Whether shopping in Myeongdong or hiking Hallasan, our eSIMs provide uncapped speeds and extensive coverage. Quick setup and instant activation make ZenSim perfect for your trip.
How to setup South Korea travel eSIM
Setting up your ZenSim eSIM for South Korea is simple. Purchase your plan, scan the QR code, or use the ZenSim app while connected to WiFi. Once you arrive in South Korea, your eSIM activates automatically for seamless connectivity.