Japan Data eSIM　31days/30GB

¥3,980 Taxes included.

Sale Sold out

Usage Period: 31days

Japan Data eSIM - 31days／30GB Plan

Ready for use in as little as 2 minutes after purchase. Perfect for travel, business trips, or when you run out of data at the end of the month.

Notice: As this is a digital product, it is non-refundable and cannot be canceled or returned once purchased. Due to the nature of the product, the digital code becomes single-use and cannot be resold or reused after disclosure.

Please check the list of compatible devices before purchase.
The payment will be processed in Japanese yen (¥).
As this is an eSIM service, no physical package will be shipped.
After your purchase is complete, an email containing your activation code will be sent from support@sophia-esim.com. If you do not receive the email, please check your spam folder or your email reception settings.
Installation must be completed within 44 days after clicking the "Issue Activation Code" button.
The activation code is valid for one-time use only. Please be careful not to delete it accidentally or let it expire.
The "Start Date" of your service will be the day you install (activate) the eSIM on your device.
Many customers inadvertently misenter their email address during checkout. Please double-check that your email address is correct before completing your purchase.
Please note that activation URLs are generated automatically, and we are unable to process refunds for purchases made with an incorrect email address.
Please be advised that the issuance of new eSIM activation codes will be suspended from 10:00 PM on Wednesday, August 26, 2026, to 9:00 AM on Thursday, August 27, 2026, due to temporary system maintenance by NTT DOCOMO. Thank you for your understanding.

The activation code is issued immediately upon completion of your purchase and can only be used once. Due to the nature of this product, we cannot accept plan changes, cancellations, or refunds once the activation code has been issued. Please ensure that you verify device compatibility and plan details before making your purchase.

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Product Information

SIM Type: Data-only eSIM
Network: docomo (For use in Japan)
Data Allowance: 30GB
Plan Duration: 31days
Data Overage: Slowdown (limited to 200kbps)

Setup Instructions

Attention

eSIM-Compatible Devices

Please check in advance whether the device you will be using is compatible with eSIM.

View list of
compatible devices
SIM Lock Release

You can use eSIM if your device is SIM-free. If it is not SIM-free, a SIM lock release is required.
For instructions on how to release the lock, please check the website of your current mobile carrier.
Internet Environment

Downloading the eSIM is done by connecting to a network such as Wi-Fi.
Customers traveling to Japan can download the eSIM before leaving their country to be able to use the internet immediately upon arrival in Japan.

*This product is for use exclusively within Japan. Also, as it is for data communication only, it cannot be used for calls or SMS.

About Recharging

You can easily recharge your Sophia eSIM’s data from the site below and continue using it as is!

Recharge prepaid SIM card. Prepaid SIM Recharge.com

*Important Note: This applies to SIMs with remaining usage periods and data.
For plans that slow down after exceeding the data limit, you can recharge as long as there are remaining days. However, for the 180-day and 365-day plans, recharging is not possible once the data runs out.

Japan Data eSIM　31days/30GB