KDDI Corporation
KDDI Digital Life Corporation
KDDI Corporation and KDDI Digital Life Corporation will begin offering “Japan SIM” (hereinafter referred to as “Japan SIM for MyJapan+”), a data-only eSIM service for international visitors to Japan, on June 25, 2026. The service will be offered through “MyJapan+ by JCB,” an inbound travel app provided by JCB Co., Ltd.
“Japan SIM for MyJapan+” offers four unlimited data plans (Note), allowing users to choose the option that best suits their needs. To celebrate the launch, all plans will be available at promotional pricing for a limited time.
“MyJapan+ by JCB” is an official app designed to help international travelers enjoy a more convenient and cost-effective stay in Japan. By enabling seamless access to eSIM services for travelers, the app provides a new alternative to traditional roaming.
KDDI and KDDI Digital Life will continue to collaborate with JCB to enhance this service and deliver a comfortable and enriching experience for each visitor to Japan.
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| Plan name | Fee(Campaign) | Fee Standard | Period |
|---|---|---|---|
| UnlimitedData (24hours) (Note) | 330 yen | 660 yen | June 25, 2026 ~ Sep 30, 2026 |
| Unlimited Data(3days) (Note) | 770 yen | 1,540 yen | |
| Unlimited Data (5days) (Note) | 1,255 yen | 2,510 yen | |
| Unlimited Data(7days) (Note) | 1,695 yen | 3,390 yen |
1.Download the official MyJapan+ by JCB app and tap the eSIM introduction banner within the app.
2.Tap the "Sign up" button on the dedicated page.
3.Tap "Get started."
4.Register your email address.
5.Enter your contact phone number (Taiwan numbers only).
6.Review and agree to the important terms and conditions.
7.Confirm your name and date of birth, then agree.
8.Select your preferred topping (plan).
9.Register your payment method (Taiwan-issued JCB Card only).
10.Tap "+ Add eSIM" to complete the registration.
details: https://povo.jp/lp/myjapan-esim_release/
“MyJapan+ by JCB” is an official app designed to help international travelers visiting Japan enjoy a more convenient and cost-effective stay.
Centered around JCB cardholders, the app provides comprehensive support for the Japan travel experience—from connectivity and shopping to sightseeing—through services such as eSIM, coupons, and useful information.
• Offers high-quality eSIM services that can be used immediately upon arrival in Japan at app-exclusive prices
• Features special deals and coupons from well-known brands to local shops across Japan
• Provides easy-to-understand information on products and destinations useful for shopping and sightseeing
With “MyJapan+ by JCB” and a JCB Card, users can enhance their experience in Japan with greater convenience and savings.
This is a data-only eSIM service for international visitors to Japan, provided by povo2.0 from KDDI. It supports high-speed 5G connectivity on the au network and can be applied for online from overseas.
As the eSIM (embedded SIM) profile can be downloaded to a compatible device before traveling to Japan, users can start using mobile data smoothly immediately upon arrival in Japan.
povo SDK is an open connectivity service that enables companies to integrate povo’s network into their own services and offer original data plans.
As subscription-based services such as video and music streaming, electronic tickets, and mobile payments continue to grow, connectivity has become increasingly essential in many aspects of daily life.
With povo SDK, companies can provide exclusive, customizable add-ons that are only available through their own services, including options such as unlimited data usage for specific services. Both the duration and data capacity can be flexibly customized, allowing the creation of optimal add-ons tailored to the needs of each company’s customers.
povo SDK details：
https://povo.jp/open-telecom-sdk/
(Note) Data speeds may be restricted during network congestion or when using services such as video streaming or cloud gaming.
※Company and product names are trademarks or registered trademarks of their respective owners.
※Information in this release is current as of the date of announcement.
