Confusing carrier fees,
made clear with real numbers

From the big 3 carriers to budget MVNOs — find your plan, in 5 languages.

5GMajor carriers

If you use a lot of data

5G plans for heavy data use

27,500/mo

SK텔레콤 라이트 59 · 24GB + 1Mbps
Then 1Mbps

Compare 5G plans

LTEBudget carriers

If you use it lightly

Plans you can start with no contract

5,500/mo

KTM모바일 M 알뜰 1.5GB 100분 · 1.5GB

Compare budget plans

Plans eSIM Phones Home internet

MovingComing soon

RemittanceComing soon

How much data do you use per month?

The better choice depends on your usage

Plans worth a look

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As of August 5, 2026

LTEKT망

KT프리티

USIM LTE500M

500MB

Calls

50분

Texts

미제공

500MB range3,300–25,950

Lowest in this range

Monthly

₩3,300

2 years 79,200 KRW

Details

LTEKT망

KTM모바일

M 알뜰 1.5GB 100분

1.5GB

Calls

100분

Texts

100건

1.5GB range3,300–25,950

Monthly

₩5,500

2 years 132,000 KRW

Details

LTESK망

SK7모바일

LTE 알뜰 (2GB/2000분)

2GB

Calls

2000분

Texts

2000건

2GB range3,300–25,950

Monthly

₩6,820

2 years 163,680 KRW

Details

No Korean needed

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Telecom tips·6 min read

5 Common MVNO Signup Errors — and How to Solve Them

Identity, payment, device, address, and activation — the real points where foreign customers get stuck.

Keeping Your SIM Active During ARC Renewal or Reissue

Step-by-step survival during the 2–4 weeks when your Alien Registration Card is being renewed or reissued.

5 Reasons eSIM Activation Fails — and How to Fix Each One

What to check when a QR code won't scan, profile download fails, or activation stays 'pending'.

Confusing carrier fees,
made clear with real numbers

If you use a lot of data

If you use it lightly

How much data do you use per month?

Plans worth a look

No Korean needed

Which language should we use?

Guides

5 Common MVNO Signup Errors — and How to Solve Them

Keeping Your SIM Active During ARC Renewal or Reissue

5 Reasons eSIM Activation Fails — and How to Fix Each One

Confusing carrier fees,
made clear with real numbers

If you use a lot of data

If you use it lightly

How much data do you use per month?

Plans worth a look

No Korean needed

Which language should we use?

Guides

5 Common MVNO Signup Errors — and How to Solve Them

Keeping Your SIM Active During ARC Renewal or Reissue

5 Reasons eSIM Activation Fails — and How to Fix Each One

Confusing carrier fees,made clear with real numbers

If you use a lot of data

If you use it lightly

How can we help?

How much data do you use per month?

Plans worth a look

No Korean needed

Which language should we use?

Guides

5 Common MVNO Signup Errors — and How to Solve Them

Keeping Your SIM Active During ARC Renewal or Reissue

5 Reasons eSIM Activation Fails — and How to Fix Each One

Confusing carrier fees,made clear with real numbers

If you use a lot of data

If you use it lightly

How can we help?

How much data do you use per month?

Plans worth a look

No Korean needed

Which language should we use?

Guides

5 Common MVNO Signup Errors — and How to Solve Them

Keeping Your SIM Active During ARC Renewal or Reissue

5 Reasons eSIM Activation Fails — and How to Fix Each One

Confusing carrier fees,
made clear with real numbers

Confusing carrier fees,
made clear with real numbers