Korea and Japan eSIM

eSIM Japan and Korea

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  • Validity: 3-30 days
  • Data: 5GB-20GB
  • Network operator: Japan (KDDI, Softbank), Korea (SKT, KT)
  • Coverage: Japan & Korea
  • Delivery: Immediate, via email, after order checkout
  • Top-up: Not available

$9.90 – $43.50

Description

Plan type: Data only

Coverage areas: Japan, Korea

Supported network: Japan (KDDI, Softbank), Korea (SKT, KT)

Local phone number: No

Hotspot/Tethering: Yes

Installation: Scan the QR code or import confirmation code manually to set up the data plan

Activation policy: The plan will be activated after installation. It’s recommended to install eSIM 1 day before departure

15 days to activate: Please activate your data plan before expiry date. Once it expires, Cancellation, Refund or Changes are not allowed

Identity verification: Not required

Max Internet speed: Expected to have 4G/LTE/5G speed. Speed caps will be 128kbps-256kbps after data usage exceeds max data limitation

Delivery: Instantly to your email within 5-10 minutes after payment

Strengths of eSIM

Easy to use

100% online. Receive eSIM via email. Scan a QR code to install. Activate eSIM when you land and get connected instantly.

Free roaming

Save 100% on data roaming charges and comfortably make voice calls and text messages via WhatsApp, Zalo, Facetime,…

Whole 11 countries coverage

Work in all destinations in Japan and Korea.

24/7 support

Answer questions and provide 24/7 technical support via chat or email.

Instant delivery

eSIM delivered via email. No waiting for shipping, no removal, no risk of loss.

Keep original SIM

eSIM is digital so it ‘s no need to remove your original SIM cards.

Receive eSIM information by e-mail

As soon as your order is placed, you will receive the Japan eSIM details via email.

A QR code

User’s Guide

Notes:

  • You should install eSIM before departure to stay connected right after landing.
  • If having trouble during installation, DON’T DELETE the eSIM and contact us right away.

How to use eSIM Japan and Korea

Check if your phone is eSIM-compatible

Japan eSIM only works on unlocked eSIM-compatible phones, including iPhone, Samsung, Google Pixel, etc. Check if your phone works with eSIM.

Buy online a day before departure

Japan eSIM will be activated from the date you install it on your phone. So, you can buy and install it before departure.

Scan the QR code

Scan the eSIM QR code sent to your valid email address and turn on the data roaming in Settings to browse the web easily.

What people talk about us

The most daring travelers have already tried esimjapan.net. Will you?

Frequently asked questions

If you still have questions about this service? We are here to help

Do I need a passport to buy the Japan eSIM?

It is not necessary to show your passport when buying eSIMs at esimjapan.net.

No, this is a data-only eSIM and does not include a local phone number. You can still make calls and send messages via apps like WhatsApp, Facetime, and Zalo.
Yes, this eSIM works seamlessly across both countries. You can use the same eSIM for mobile data in South Korea and Japan without switching SIMs.

Install the eSIM with a QR code sent to your email. You can follow the instructions attached in the email. Contact us if you need more information. Read full detailed installation guides.

The eSIM provides 4G/LTE/5G speeds, depending on the network coverage in your location. After using up your data limit, speeds are reduced to 128kbps-256kbps for light browsing.
Yes, hotspot/tethering is supported, allowing you to share your data connection with other devices.
For long-term travelers, the 30-day eSIM plan with 20GB is the best eSIM for Japan and Korea, providing extensive coverage and ample data for your trip.
You will receive the eSIM details, including a QR code and activation guide, via email within 5-10 minutes after completing your payment.

The QR code can be scanned once which means that if you remove the eSIM from your phone, you cannot install it again. And eSIM can only be installed on one device.

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