eSIM South Korea
This South Korea eSIM from 1,95€ runs on SK Telecom and LG U+, 1 to 20 GB or unlimited, prepaid with no contract and no registration — you're online the moment you land at Incheon.
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2GB highspeed/day, then unlimited at 1Mbps
Your Selection
Your plan only starts counting when the eSIM first connects at your destination — so you can buy today and travel in three weeks.
How does Simbye eSIM work for South Korea?
Set it up before you fly
After the purchase you get an email with a link and a QR code. Set the eSIM up at home on Wi-Fi — you need internet once for that, and the line then stays quiet until you arrive in Korea.
Switch it on in Korea
Whether you land at Incheon (ICN), Gimpo (GMP), Gimhae near Busan (PUS), Jeju (CJU), Daegu (TAE) or Cheongju (CJJ): turn on data roaming for the Simbye line after you get off the plane. LG U+ or SK Telecom appears on its own, usually within a minute or two.
Quiet down your home SIM
Set mobile data to the Simbye line and switch off data for your home SIM so nothing slips through on your own contract. Calls and texts on your usual number are unaffected. Hotspot for a laptop or tablet is allowed, and when data runs low you top up in the app.
Check Device Compatibility
Make sure your device supports eSIM before purchasing
Which networks will you be on in South Korea?
Your phone registers on LG U+ or SK Telecom by itself once you land — nothing for you to set up.
The Simbye eSIM uses 2 networks in South Korea: SK Telecom · LG U+.
 |
|---|
| LG U+ |
- Typical download377Mbit/s
Source: Speedtest Global Index, national median, July 2026.
The South Korea eSIM runs on SK Telecom and LG U+. Which of the two you end up on is decided by your phone after landing, usually whichever has the stronger signal at the airport. You don't have to enter any settings by hand. If reception is weak somewhere, you can switch network selection from automatic to manual in your phone settings and pick the other network — then set it back to automatic so your phone can switch freely as you travel.
Seoul, Busan, Incheon, Daegu, Daejeon, Gwangju and Ulsan have solid coverage, including underground: the metro lines in Seoul and Busan have signal inside the tunnels, as do the big stations such as Seoul Station, Yongsan and Busan Station. On the KTX between Seoul, Daejeon, Daegu and Busan you stay online, with short drops in some tunnels. The travel regions are covered too: Gyeongju, Jeonju, Andong, the east coast around Gangneung and Sokcho, Yeosu in the south, and Jeju island with Jeju City and Seogwipo. It thins out where almost nobody lives — high up in Seoraksan, Jirisan and Odaesan national parks away from the main trails, on ferry routes and on remote islands such as Ulleungdo.
eSIM or a local SIM card in South Korea?
For Korea, the eSIM is the quieter option: a Korean number has to be registered in your real name with a passport, while the eSIM is set up on Wi-Fi at home and works as you walk out of Incheon.
| Feature |  Simbye eSIM |
Local SIM card |
|---|---|---|
| Ready before you travel | Set up at home on Wi-Fi with a QR code, in Korea you just turn on data roaming | Only after landing, at a counter or vending machine in arrivals |
| ID required | No, prepaid with no contract and no registration | Yes, a line with a Korean number must be registered under your real name, passport required |
| Korean phone number | No, data only | Usually yes, depending on the plan |
| Time at the airport | No waiting, you're online as you walk off the plane | Queueing at Incheon T1 or T2, often longest for late arrivals |
| Payment | Paid in advance in your own currency, no won cash needed | On the spot in won, foreign cards aren't accepted everywhere |
| Home SIM | Stays in the phone, your number stays reachable | Has to be swapped out, and the tiny card is easy to lose while travelling |
| Topping up | Anytime in the app, same line, no new QR code | Vending machine or shop, menus often in Korean only |
| On departure day | Simply expires, nothing to hand back | Swap the SIM back, and you need a tool or a paperclip for it |
For most travelers the eSIM is the simpler choice: set up before departure, no queuing on arrival.
How much data do you need in South Korea?
Trip length
How you use your phone
What does an eSIM for South Korea cost?
from 1,95€
4 plans · 7–30 days
Simbye offers 4 plans for South Korea from 1,95€ to 19,95€ — prepaid, no contract.
Plans for South Korea range from 1 GB to 20 GB.
Validity runs from 7 to 30 days and starts with your first connection in South Korea.
Data plans
- 1 GB 7 days 1,95€ 0,27€ per travel day
- 5 GB 30 days 6,95€ 0,23€ per travel day
- 10 GB 30 days 11,95€ 0,39€ per travel day
- 20 GB 30 days 19,95€ 0,66€ per travel day
Good to know
- Networks
- SK Telecom, LG U+
- Setting it up
- A link in your email, or the QR code — one tap is enough
- Network technology
- 4G/LTE — and 5G where the network already offers it
- APN and settings
- Nothing to set. The eSIM brings everything with it
- Hotspot
- Allowed — for a laptop, tablet or a travel companion
- Adding more data
- Top up any time, without setting anything up again
- Calls and texts
- Not included — WhatsApp calls run over the data
- Your own number
- Stays in the phone and stays reachable
- Contract
- None. The plan ends by itself
- Worth knowing
- Roaming on your home contract gets billed here — this eSIM is prepaid, so nothing is added afterwards
Frequently Asked Questions about South Korea eSIM
Data, calls, real phone numbers, top-ups and setup — everything you need to know before you buy a Simbye eSIM.
An eSIM for South Korea is a data-only plan — it doesn't come with a phone number, and calls or texts aren't included. Everything that runs on data works normally: WhatsApp, KakaoTalk, Telegram, FaceTime, video calls. Your usual number stays reachable as long as your home SIM is in the phone.
No — not for this eSIM in South Korea. Real-name registration in Korea applies to lines with a Korean phone number, such as the prepaid card sold at the airport counter. This eSIM is pure data roaming on SK Telecom and LG U+ — no counter, no ID check.
No, you can't receive SMS codes without a Korean number. Set up accounts that verify by SMS before the trip, at home, with your own number. KakaoTalk is the most important one.
Google Maps does work in Korea, but only partly. There is no car navigation and bus routes are patchy, because detailed map data may not leave the country. Download Naver Map or KakaoMap beforehand — both are available in English.
You'll be on LG U+ or SK Telecom in South Korea. Your phone chooses by itself after landing, usually whichever has the stronger signal at the airport, and there is nothing for you to enter by hand.
Yes, some websites are blocked in Korea, and that affects every network in the country. Korea blocks certain sites nationwide, among them gambling and adult sites. A foreign eSIM doesn't change that.
An eSIM for South Korea starts at 1,95€; the exact price depends on the data volume and days you pick, shown in the table above. A four-day trip to Seoul needs far less than three weeks of navigation, translation apps and video calls. You pay once at checkout, with no contract.
You can buy an eSIM for South Korea online in about two minutes: choose a plan from the table above, pay, and the QR code arrives by email. Install it over Wi-Fi before you fly, and mobile data works the moment you land at Incheon. No airport counter, no queue and no plastic SIM to swap.
Yes, an eSIM works in South Korea. Korean networks support eSIM and carry data profiles for visitors, so your phone connects in Seoul, Busan, Jeju and on the KTX routes without a local SIM card. Your handset only has to be eSIM-capable and carrier-unlocked, which the compatibility list on this page lets you check before you buy.
The eSIM that's best for South Korea isn't just about coverage: SK Telecom and LG U+ already reach the cities, metro tunnels and KTX line, so you connect almost anywhere. What actually matters is how much data you use, how many days you stay, and whether you need a Korean number. This one is data only, so maps, translation, messengers and hotspot, no calls.
Ready for South Korea?
Pick a plan, tap the link in your email — you are online from the moment you land.
Choose a planPrepaid, no contract. The plan simply ends on its own.
