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Coverage · South Korea

Mobile networks in South Korea

A Slashtel travel eSIM for South Korea connects to SKTelecom or LG Uplus, up to 5G. Your phone picks the strongest signal automatically.

Partner networks

NetworkBest available
SKTelecom5G
LG Uplus5G

South Korea eSIM plans

DataValidityPricePer GB
1GB7 days$2.99$2.99
1GB7 days$2.99$2.99
3GB15 days$3.99$1.33
3GB15 days$3.99$1.33
3GB30 days$4.99$1.66
3GB30 days$3.99$1.33
5GB30 days$4.99$1.00
5GB30 days$5.99$1.20

See all South Korea plans →

Questions, answered

Which mobile networks does a travel eSIM use in South Korea?

A Slashtel eSIM for South Korea connects to SKTelecom or LG Uplus. Your phone joins the strongest available network automatically as you move around.

Is there 5G in South Korea?

Yes, 5G is available on partner networks in South Korea where coverage reaches and your phone supports it. Elsewhere you connect on 4G.

Can I choose the network in South Korea?

No. The eSIM selects the network with the best signal automatically, which keeps you connected as you travel. It cannot be locked to one carrier.

When does my South Korea eSIM start?

Validity starts when your eSIM first connects to a network in South Korea, so you can buy and install it before you fly.

Network list from our live supplier data. Networks are chosen automatically for the best signal and can vary by location and over time. All countries →