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South Korea and Japan 20 GB

3

5G

30 days

20 GB

Attention
  • Package activates upon eSIM installation.

Earn $1.70 rewards cashback in your MobiPay wallet with this purchase

Details

Data


Calls


SMS


Network

5G/4G/LTE

Activation Policy

Package activates upon eSIM installation.

IP Routing

Hong Kong

eKYC

Not required

Hotspot

Available

Speed

Unrestricted

Top-up

Available

Usage Tracking

Realtime, in-app

  • This is a data-only eSIM. It does not come with a phone number.
  • Simply scan the QR code to download and use the eSIM. No other activation or registration steps needed.
  • Package validity will start upon scanning the QR code. The eSIM must be activated within 2 months from purchase.
  • Full data speeds - no daily limits, no throttling. Mobile hotspot is supported.
  • 5G availability depends on network coverage, regional device specifications, and phone settings. Where 5G is not available the eSIM will provide high quality 4G network connection subject to network availability.
  • Usable only with eSIM compatible phones and tablets which are not carrier locked. If in doubt, please check the FAQ section.

4.8/5

App Store

4.9/5

Google Play

Excellent

Trustpilot

Destinations & networks

⚠️ The operator can change the networks the eSIM connects to without notice.

🇯🇵

Japan

Rakuten5G
NTT docomo5G
🇰🇷

South Korea

LG U+5G
SK Telecom5G

Help Center

The sure way you can verify if your phone is compatible: iPhone: Go Settings -> Cellular (or Mobile Data). If you see ‘Add Cellular Plan’ or ‘Add Mobile Plan’, the phone supports eSIM Samsung: Go Settings -> Connections -> SIM Card Manager. If you see ‘Add Mobile Plan’, the phone supports eSIM Google Pixel: Go Settings -> Networks & Internet -> SIMs -> ‘+Add more’. If you are using Pixel 4/4a or a later model, it will be there. IMPORTANT! Some models have exceptions depending on models and markets. Operator locked devices: If your device is locked to a specific carrier due to a contract, it needs to be unlocked first to be able to use the eSIMs sold on our platform.

Yes! With dual-SIM functionality you can have both your physical SIM and eSIM active at the same time.

Yes, your phone can store many eSIM profiles at once. You can choose which one to use at in your phone settings.

Yes! Mobile hotspot featured is enabled in all of our products, except if explicitly mentioned in the product details.

Reviews

5.0

Excellent

L

Lisajpheniox

App Store

How it works

  1. 1

    Checkout using secure payment methods

    Get your eSIM by email within seconds.

  2. 2

    Install eSIM

    Instantly get your eSIM and configure it in your eSIM compatible device

  3. 3

    Enjoy high speed connectivity

    Once eSIM is configured, you can enjoy high speed roaming data connectivity

Why MobiMatter is best for South Korea eSIMs?

Instant Activation

Activate your South Korea eSIM in seconds. Install it in one tap from the MobiMatter app, or scan the QR code, and stay connected from the moment you land.

Flexible Plans, Great Value

Choose affordable short or long-term data packages for South Korea - perfect for business trips, vacations, or for digital nomads. Most packages provide the option to top-up also.

How MobiMatter compares with other eSIM brands

24/7 Customer Support

Stay connected with peace of mind, backed by our round-the-clock customer service team. Reach out to them via the troubleshoot link.

MobiMatter Rewards

Sign in and pick one reward at checkout on every order.

  • 10%

    cashback on every order

  • 3%

    instant discount

  • up to

    $5

    for you and every friend you refer

Referral rewards apply to your friend’s first purchase.

Explore MobiMatter Rewards

Hear from our customers

  • 5.0

    In Turkey and Georgia in the summer of 2025, I used the app, and everything worked perfectly! The prices are cheaper than buying a SIM card at the airport.

    Translated from Russian

    Y

    Yury2701

    App Store
  • 5.0

    Excellent application. Highly satisfied and highly recommended, best eSIM provider 👍🏻

    Translated from Turkish

    A

    Ali Öztürk

    Play Store
  • 5.0

    Using this service more than 2 years and very happy with it! Recommending it for anyone!

    D

    Dush@m

    App Store
  • 5.0

    I bought two esims for two different countries because mobimatter has affordable prices. I had an issue connecting the second esim. The helpdesk responded fast. It turns out I was using the first eSIM instead of the second. Thanks for good data in both countries and for responding fast!

    S

    Stylus86

    App Store
  • 5.0

    I used it in Thailand, good price and quality, it worked on the islands too, I recommend it...

    R

    Ramon Tigre

    Play Store
  • 5.0

    I use it successfully and continuously, with no interruptions or GB issues.

    Translated from Turkish

    G

    GÜRHAN ATILGAN

    Play Store
  • 5.0

    the best thing as this review is written, Good customer service and tech support

    M

    Mark julius castillo

    Play Store
  • 5.0

    Great APP!!! Lots of options, something for everyone!!! 5*

    T

    Tomasz Tabor

    Play Store
  • 5.0

    I have been using MobiMatter for a few years both for travel and to supplement my regular cell plan which has limited data. The service has always been solid and the prices excellent. The installation instructions are easy to follow. On the few occasions that I asked for tech support (mostly for my own errors) the response time has been amazing and the support courteous and effective.

    N

    Noahsark76

    App Store
  • 5.0

    MobiMatter my most trusted eSim provider. Very affordable and easy to use.

    A

    ALFRED DUHINA

    Play Store

Check data onyour Home Screen.

Add the MobiMatter widget to see data and days left at a glance, then top up in the app before you run out.

Download on the App StoreGet it on Google Play

Illustrative usage data. Top-up available on supported eSIMs.

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South Korea and Japan 20 GB

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