Japan Flag Japan eSIM

Best eSIM for Japan Instant Internet Access

Get connected instantly in Japan with our premium eSIM plans. No physical SIM needed, fast 4G/5G coverage across Tokyo, Osaka, and all major cities.

Instant Activation
5G Speeds
24/7 Support
No Contract
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Japan Coverage

Tokyo
Osaka
Kyoto
Hiroshima

Japan eSIM Data Plans

Choose the perfect data plan for your Japan trip. All plans include instant activation, fast 4G/5G speeds, and 24/7 customer support.

Japan 1GB/Day

Perfect for light usage

1GB per day
7-day validity
4G/5G speeds
Instant activation
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Most Popular

Japan 3GB 15 Days

Great for extended stays

3GB total data
15-day validity
Top-up available
Fast internet
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Japan 10GB 30 Days

Perfect for long stays

10GB total data
30-day validity
Top-up available
Best value
View Details
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Why Choose Simtegre for Japan?

Experience the best eSIM service in Japan with our premium features and unmatched customer support.

Instant Activation

Get connected immediately upon arrival. No waiting, no queues, just scan and go.

Secure & Reliable

Bank-level security with 99.9% uptime. Your data is always protected and accessible.

Fast 5G Speeds

Enjoy lightning-fast internet speeds across Japan's major networks and cities.

24/7 Support

Round-the-clock customer support in English and Japanese. We're here when you need us.

Easy Top-up

Need more data? Top up instantly through our app or website. No hassle, no delays.

No Contract

Pay as you go with no long-term commitments. Perfect for travelers and short stays.

Japan Network Coverage

Stay connected across Japan with our comprehensive network coverage through major Japanese carriers.

Partner Networks

N

NTT Docomo

Japan's largest mobile operator with nationwide 4G/5G coverage

A

au by KDDI

Strong coverage in major cities and rural areas

S

SoftBank

Leading 5G network with comprehensive coverage

Coverage Areas

Tokyo
Osaka
Kyoto
Hiroshima
Yokohama
Nagoya

Frequently Asked Questions

Everything you need to know about using eSIM in Japan

How do I activate my Japan eSIM?

Simply scan the QR code we send to your email or use the manual activation code. Your eSIM will be active within minutes of scanning. Make sure you have data roaming enabled on your device.

What network coverage do you have in Japan?

We provide coverage through Japan's major networks including NTT Docomo, au by KDDI, and SoftBank with 4G/5G speeds across the country. Coverage is excellent in all major cities and tourist destinations.

Do I need to configure APN settings for Japan?

No, Japan eSIM plans work automatically without manual APN configuration. The eSIM will connect to the best available network automatically.

Can I use my Japan eSIM for calls and SMS?

Our Japan eSIM plans are primarily for data usage. For calls and SMS, you can use internet-based services like WhatsApp, Telegram, or FaceTime. Some plans may include limited calling features.

How can I top up my Japan eSIM?

You can easily top up your eSIM through our mobile app or website. Simply log in to your account, select your active eSIM, and choose from available top-up options. The additional data will be added instantly.

What if I have issues with my Japan eSIM?

Our 24/7 customer support team is available to help you with any issues. You can contact us through live chat, email, or WhatsApp. We provide support in both English and Japanese languages.

Ready to Stay Connected in Japan?

Get your Japan eSIM now and enjoy instant internet access across the country.

Buy Japan eSIM Now Setup Guide