
WHY FLAILY
South Korea is one of the most connected countries in the world, and life there runs through apps. From Seoul to Busan and Jeju, data is how you navigate, order and get around.
Install before you fly, turn the line on when you arrive, and skip the airport SIM queue.
Your usual SIM stays in your phone, so your number and your WhatsApp account don’t change.
paid once
You pay once for the plan you choose. No subscription, and no roaming bill from us afterwards.
Charged in US dollars at checkout
See every plan in your own currency. You’re charged the exact US dollar price shown at checkout.
Scan the QR code from your order, or type the code in by hand if you can’t scan.
Write to our team any time and we’ll reply by email, before or during your trip.
MORE DESTINATIONS
has plans for destinations near South Korea too, so the rest of your trip is covered the same way.
ESIM PLANS FOR NEARBY DESTINATIONS.
SETUP
Three steps, most of it done before you fly.
Pick the data and days that fit your trip. Your eSIM is usually ready a few minutes after payment.
On a stable Wi-Fi connection, scan the QR code from your order, or enter the code manually.
How to installSwitch to the line for mobile data and turn on data roaming for it. Keep roaming off on your usual SIM.
Why roaming?Keep your usual SIM switched on for calls and texts. handles your data alongside it.
DETAILS
Everything about the South Korea eSIM in one place.
It needs to support eSIM and be carrier-unlocked. The check takes ten seconds.
SeoulKakao T is the app for taxis, and many restaurants take orders through tablets or QR codes. Coverage is excellent in cities and on trains, including the subway.
LOCAL TIPS
Seoul · Seoul’s subway is easy with a T-money card. Use Naver Map or KakaoMap for directions, since Google Maps gives limited walking and driving routes in Korea.
Busan · Busan pairs beaches with mountain temples and seafood markets. Data helps you navigate the metro and find your way to Gamcheon and Haedong Yonggungsa.
Jeju · Jeju is best explored by car or taxi between beaches, craters and cafés. Download maps, since coverage thins on Hallasan’s higher trails.
Your usual SIM stays in your phone alongside your South Korea eSIM. Keep getting calls and texts while handles your data.
Your home provider may charge for calls and texts. Turn off data roaming on your usual SIM to avoid data charges.
FAQS
Yes. sells prepaid data plans for South Korea that connect to local networks as a roaming partner.
Yes. The plan covers South Korea, so it works in Seoul, Busan and Jeju wherever there’s mobile coverage. Signal can be missing in remote areas, so download offline maps before heading out.
It depends on how you use your phone. Maps, messaging and social media use relatively little; video, video calls and hotspot use far more. If in doubt, pick a plan a little bigger than your estimate.
Yes. Your eSIM is used for travel data, so you keep your usual SIM installed and your WhatsApp account stays the same. Calls, texts or roaming on your usual SIM may still be charged by your home provider, so turn off data roaming on that line.
plans are data plans. You can call and message over the internet with apps like WhatsApp, FaceTime or Telegram. Your usual SIM can still receive calls and texts, which your home provider may charge for.
Install it on a reliable Wi-Fi connection before you need it, ideally at home before your trip. Check your plan’s details first: what starts the validity period can vary by plan.
Your phone needs to support eSIM and be carrier-unlocked. You can check it in seconds on our devices page.
When a plan’s data or days are used up, the eSIM stops using data and your usual SIM isn’t affected. You can buy another plan for your destination.
GET HELP
Setup help, troubleshooting or order questions: we’re here.