Japan eSIM unlimited data

eSIM Japan Unlimited Data

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  • Validity: 3-30 days
  • Data: Unlimited with daily high-speed data cap 1GB; network speed will be throttled to 5120kbps after daily high-speed data used up
  • Network operator: KDDI
  • Coverage: Japan
  • Delivery: Immediate, via email, after order checkout
  • Top-up: Not available

$9.90 – $79.00

Description

Plan type: Unlimited Data

Coverage areas: Japan

Supported network: KDDI

Local phone number: No

Hotspot/Tethering: Yes

eKYC: Not required

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 5120kbps (approx. 5Mbps) 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 Japan coverage

Work in all destinations in Japan. Stay connected anytime, anywhere during Japan travel.

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 Japan eSIM

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

How to use eSIM Japan unlimited data?
Purchase online, receive your eSIM details (including a QR code) via email, and activate it by scanning the QR code. The plan starts as soon as the eSIM is installed and activated.
The plan offers 1GB of high-speed data daily. After this limit, speeds are reduced to 512kbps for the rest of the day.
Yes, it supports 4G, LTE, and 5G speeds, depending on network availability and your device’s compatibility.
Yes, hotspot/tethering is supported, allowing you to share your mobile data with other devices.
No, currently, top-ups or plan extensions are not available. You would need to purchase a new eSIM plan if you require additional data.
No, this is a data-only eSIM and does not include a local phone number. However, you can use apps like WhatsApp, Zalo, or FaceTime for calls and messaging.
The eSIM can only be installed once on a single device. If you remove it, you won’t be able to reinstall it or use it again.
After purchase, an email will be sent instantly (within 5–10 minutes) with the QR code, confirmation code, and installation guide.
For short-term travelers, the 3-day or 5-day eSIM plans with 5GB or 10GB are the best eSIM options for Korea and Japan.
Once the eSIM is activated or its validity has started, refunds, cancellations, or changes are not allowed. Make sure to activate it only when needed.
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