You can contact us anytimesupport@japansimdata.com
$164
Subtotal: $164
$164
Subtotal: $164
Instant Activation
Connect in minutes.
Japan Network Coverage
Stable data access across Japan
English Customer Support
Get help easily in English.
Individual & Bulk Plans
Flexible for users and groups.
Unlimited Data eSIM
- Japan 15-Day eSIM
- 2GB high-speed data refreshed daily
- Slows to 256kbps after daily limit
- Japan 14-Day eSIM
- 2GB high-speed data per day
- Reduced speed at 256kbps after limit
- Japan 13-Day eSIM
- 2GB high-speed data per day
- Reduced speed at 256kbps after limit
- Japan 12-Day eSIM
- 2GB high-speed data per day
- Reduced speed at 256kbps after limit
- Japan 11-Day eSIM
- 2GB high-speed data per day
- Reduced speed at 256kbps after limit
- Japan 10-Day eSIM
- 2GB high-speed data per day
- Reduced speed at 256kbps after limit
- Japan 9-Day eSIM
- 2GB high-speed data per day
- Reduced speed at 256kbps after limit
- Japan 8-Day eSIM
- 2GB high-speed data per day
- Reduced speed at 256kbps after limit
Japan eSIM 15 Day Plan – 10GB High-Speed Data (Docomo)
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Japan 15-Day eSIM
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10GB total high-speed data
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Reduced speed at 256kbps after limit
Japan eSIM 7 Day Plan – 5GB High-Speed Data (Docomo)
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Japan 7-Day eSIM
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5GB total high-speed data
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Reduced speed at 256kbps after limit
Japan eSIM 5 Day Plan – 3GB High-Speed Data (Docomo)
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Japan 5-Day eSIM
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3GB total high-speed data
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Reduced speed at 256kbps after limit
About Japan Sim Data
We provide reliable Japan SIM and eSIM solutions designed for travelers, students, and professionals who need fast and stable internet across Japan. Our goal is to make staying connected simple, whether you are visiting for a few days or living in Japan long-term. With high-speed data and easy activation, you can start using your internet quickly without complicated processes.
Our service focuses on convenience and flexibility. You can order your Japan SIM or eSIM online before arriving, avoiding the hassle of visiting stores, filling out long forms, or dealing with complicated contracts. Our plans are designed to offer generous data options so you can use maps, social media, video calls, and streaming without worrying about connectivity.
Thousands of travelers trust our Japan SIM data service because we prioritize reliability, simple setup, and excellent customer support. Whether you need data for tourism, work, or study, we help you stay connected throughout Japan with fast and dependable internet.
Faqs
Which network does your Japan SIM card use?
Our SIM cards operate on Japan’s three major networks: KDDI (au), SoftBank, and Docomo, providing fast and reliable coverage throughout Japan.
Which network is best in Japan?
All three networks — Docomo, SoftBank, and KDDI (au) — offer excellent coverage across Japan. The network used depends on the SIM plan you choose, but all provide strong signals in cities, towns, and most rural areas.
Will I get fast internet speeds?
Yes. Our SIM cards support high-speed 4G LTE and 5G data depending on the plan and your device compatibility.
Can I use the SIM card immediately after arrival in Japan?
Yes. Once you insert the SIM card and complete the simple activation steps, your internet will be ready to use within minutes.
Can I order the SIM before traveling to Japan?
Yes. You can order online before your trip and choose airport pickup or delivery, so your SIM is ready when you arrive.
What should I do if I experience connection issues?
If you have any issues, our support team is available to assist you quickly so you can stay connected during your time in Japan.




















