Who is the South Korea Prepaid eSIM | 1GB–50GB Data for?

Compare South Korea prepaid eSIM plans from 1GB to 50GB on LG U+ and SK Telecom 5G. Flexible durations and instant eSIM QR delivery.

How do I install this South Korea eSIM?

After payment, open the QR code from your email or account. Add a new eSIM in your phone's cellular settings, scan the code, and enable the plan when you need data.

How quickly is the eSIM delivered?

The QR code is normally delivered by email within about five minutes after checkout.

Can I return or exchange the plan?

Eligibility depends on whether the digital eSIM has been installed or activated. Review the Jeko eSIM refund policy before purchase.

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Plan information

FUP

Fair Use Policy (FUP): The selected plan provides 3GB–50GB of total high-speed data. After it is used, speeds are reduced to approximately with continued access. Automatic switching between LG U+ and SKT 5G.

Activation reminder

Note

We recommend installing and setting up the eSIM before departure, then activating it after arrival.

We recommend installing/activating the eSIM after arriving in Korea.

View activation guide

South Korea Prepaid Data eSIM | 1GB–50GB

In stock4.9(247 reviews)

Select a plan

Looking for a "Korea eSIM Total-data, stable dual network, buy your data once"? The LG U+／SK Telecom 5G dual-switch Total-data plan uses dual-network roaming (Singapore IP), with options from about 3GB～50GB—ideal for multi-day Seoul–Busan–Jeju trips when you already have a rough sense of total usage.
Why choose the dual-switch Total-data plan?
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Easiest way: Pick your total data and days in one go; dual-network auto-switching, APN e-ideas is usually automatic, and after high-speed is used you still get reduced-speed continued access—maps/messaging won't drop offline immediately.
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Total-data high-speed + reduced-speed continued access: Choose 3GB／5GB／10GB／20GB／30GB／50GB (see the page); after high-speed is used up, reduced to about continued access.
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Dual-network coverage: LG U+ and SKT 5G／4G complement each other—more stable in cities and while on the move.
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Singapore IP roaming + popular apps: Hotspot, ChatGPT, TikTok, and Gemini are supported.
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Duration options: Commonly 3／5／7／10／15／20／25／30 days (see the page).
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Who it's for / when to switch: Choose this if you want dual network + total-data control; if you prefer SKT single network, please switch to "SK Telecom 5G Total-data plan"; if you want the allowance to reset daily, please switch to "LG U+/SK Telecom Daily plan"; if you don't want to track data all day, please switch to "Korea Starter Travel Card|SKT|Unlimited data" or "Korea Budget Light Travel Card|5G SKT/LGU+"; if you want Korea local IP true unthrottled, please switch to "Korea True unthrottled Unlimited eSIM|SK Telecom native|Korea local IP"; for study/long stays, see "Korea long-duration / study & business trip".
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Activation tip: We recommend activating only after you arrive in Korea; please turn on data roaming.

Real-world experience

Within the total high-speed allowance: urban speed tests commonly reach tens of Mbps. After use-up, about -class—messaging／light browsing usually work; video tends to stutter. For reference only.

Choose your plan

Duration

Data allowance

Carrier

Singapore IP

Roaming

LG U+/SKT 5G/4G dual-network switching

About after the plan's total high-speed allowance (continued access)

Supports: Hotspot sharing, ChatGPT, TikTok

Quantity

Review your selection

South Korea Prepaid Data eSIM | 1GB–50GB

Choose dual LG U+/SK Telecom 5G or SK Telecom 5G | Flexible total data

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Service & assurance

View member offers

Fast digital delivery
Your eSIM QR code is delivered by email after purchase
Clear refund policy
Eligibility depends on installation and activation status
Reliable networks
Service through established mobile network operators
Customer support
Get assistance through our official LINE support

Payment methods

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South Korea network coverage guide

Before buying an eSIM, check the selected carrier's coverage in the places you plan to visit. Seoul, Busan, and major transport routes generally have strong service. Mountainous areas, islands, remote towns, some subway sections, and large indoor buildings may have weaker reception. Actual performance also varies with crowds and network load.

South Korea mobile network coverage heatmap preview — Open the preview above to explore the nPerf South Korea coverage map. Denser areas generally indicate more reported coverage. Remote and mountainous areas may have fewer reports. Use the carrier links below to check the network included with your plan.

Mobile carrier overview

Select a carrier to open its nPerf coverage map.

Coverage resources

Coverage maps are provided by carriers and third parties and may change without notice. They are for travel planning only and do not guarantee speed or signal strength at a specific location. Your actual network depends on the selected eSIM plan.

About South Korea Prepaid Data eSIM | 1GB–50GB

Plan details

Coverage

Travel destinations across Korea, including Seoul, Busan, and Jeju Island

Carrier

Dual LG U+ (4G/LTE/5G) and SKT (4G/LTE/5G) networks

Speed

4G/LTE/5G within the high-speed allowance; reduced to approximately with continued access after the allowance is used

Plan type

Data only - total allowance (roaming network)

Tethering / hotspot

Supported

Exit IP / data routing

Singapore IP · roaming

APN

e-ideas (configured automatically on most devices)

Total-data options

3GB／5GB／10GB／20GB／30GB／50GB

Duration options

3 / 5 / 7 / 10 / 15 / 20 / 25 / 30 days

Phone number / calls / SMS

None. Traditional calls and SMS are not supported; use VoIP apps such as LINE and WhatsApp.

eKYC (identity verification)

Not required

Delivery

The eSIM QR code is emailed within minutes after payment; you can also view it under "My eSIM."

Top-up option

None (purchase a new plan)

Data policy

After the total high-speed allowance is used, speeds are reduced to approximately , allowing messaging and light browsing but not video.

Validity policy

The validity period starts once the eSIM connects to a supported network and begins using data. We recommend activating it after arriving in Korea; if installed in advance, remember to turn off the line immediately after installation to prevent the validity period from starting early.

Overview

Looking for "Korea eSIM Total-data, stable dual-network, buy your data once"? This plan uses LG U+／SK Telecom 5G dual-switch roaming (Singapore IP): about 3GB～50GB available—suitable for multi-day trips to Seoul, Busan, and Jeju when you already know your total usage.

No physical SIM swap; APN e-ideas is usually automatic. After high-speed is used, about continued access—maps and messaging won't drop offline immediately; hotspot and ChatGPT/TikTok/Gemini supported. Please use VoIP for calls.

Which Korea eSIM is best for you?

Product	Carrier	Best for	Benefits and notes
Korea true no-throttle unlimited｜SK Telecom native	SKT native Korea local IP True unthrottled unlimited	Local apps / streaming Want true no-throttle May need a Korean phone number	Connects to the SK Telecom local network with a Korea local IP—suitable for navigation, ticket snatching, and local services. True unthrottled Unlimited (Unlimited High Speed); hotspot supported. Data only—no real-name registration required; after completing eKYC you can use +010 voice／SMS (except 1-day plans). Most service is 4G/LTE; call features can be verified only after connecting in Korea. See True unthrottled unlimited。
Korea starter travel／budget light travel｜Dual-network roaming	LG U+／SKT or SKT／LGU+ Dual-network 5G/4G	Multi-city travel Best for value／stable signal	Dual-network switching with complementary coverage—more reliable while on the move. Starter Travel: Singapore IP; after 1GB daily high-speed, about ; ChatGPT／TikTok supported. Budget Light Travel Card: Hong Kong IP, entry-level Unlimited pricing; ChatGPT/TikTok not supported. Data only, hotspot supported; no traditional voice／SMS—please use VoIP. See Starter travel card、Budget Light、Daily plan、Total allowance。
Korea eSIM SK Telecom 5G	SKT single network (roaming)	Budget-conscious travelers Predictable data needs	Uses the SKT-only 5G/4G network with strong coverage in popular cities. Traffic generally exits through a Hong Kong IP; most devices configure the APN automatically. Data only; this plan does not support hotspot sharing. Daily plan: continued access at approximately 384 kbps after the high-speed allowance is used. Total-data plan: service ends when data is used, so leave a buffer; choose dual-network service for continued access. See Daily plan、Total allowance。

Plan highlights

Network: automatic switching between LG U+ and SKT (4G/LTE/5G)
APN: e-ideas (configured automatically on most phones); Singapore exit IP
Validity: starts after connecting locally and beginning to use data
Data: reduced to approximately with continued access after the total high-speed allowance (no disconnection)
Data only: no phone number, traditional calls, or SMS; hotspot sharing supported

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