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Japan Data eSIM

Japan Data eSIM

Japan Flexi Data eSIM

Prepaid Japan Data eSIM (1-50 GB | 7/45 Days)

SimCorner Prepaid Japan Data eSIM for Nationwide Travel Skip the roaming overages and the hassle of ID registrations for local SIM cards. Our Japan Data eSIM provides high-speed 5G/4G, multi-network coverage from the moment you land. Japan Data eSIM: Flexi Plan Details Flexible Data Allowances: Choose from 1GB up to 50GB based on your needs, with no daily usage caps or limits. Versatile Validity Periods: Service windows range from 7 days to 45 days, allowing you to pick a plan that matches your trip duration. multi-network Access: Auto-connects to Japan’s top two networks—SoftBank and KDDI (au)—for nationwide high-speed 5G/4G LTE coverage. Full Hotspot & Tethering: Share up to your full data allowance with laptops, tablets, or travel buddies at no extra cost. Instant Top-Ups: Easily add more data on the go directly through the SimCorner App. Convenience Features 📍 Nationwide Coverage: Comprehensive 5G/4G connectivity across all 47 prefectures—from the neon streets of Tokyo, Osaka, and Kyoto to remote destinations like Mt. Fuji, Hakone, and Okinawa. Stay connected even while traveling at 300km/h on the Shinkansen (Bullet Train). 💬 Keep Your Number: Continue using your WhatsApp, iMessage, and social media accounts exactly as you do at home. 🛡️ Zero Hassle: No physical SIM cards to swap, no pocket Wi-Fi devices to charge or return, no local ID checks, and no expensive roaming overages. ⌛ No Activation Deadline: This Flexi Japan Data eSIM has no expiration window before activation. Buy now and use it whenever you are ready to travel. Compare Japan Data eSIM with Our Other Ranges Feature Japan Flexi Data eSIM (This Plan) Japan Unlimited eSIM Japan Ultra eSIM Data Structure 1GB to 50GB Fixed Truly Unlimited 20GB, 50GB, 100GB Daily Limits None None None Hotspot Full Support 3–30GB, as per plan Full Support Network KDDI (au) & SoftBank KDDI (au) KDDI (au), SoftBank, Docomo & Rakuten Top-Up Yes No No Ideal For Budget-conscious & light users Content creators & streamers Long-term stays & business Your Choice Choose 1–50GB Variants ↑ Switch to Japan Unlimited eSIM → Switch to Japan 20–100GB eSIM → Flexi vs Others: The Flexi Japan Data eSIM is designed for the smart traveler. Unlike the unlimited plan, which carries a premium price for data you might not use, the Flexi plan lets you control your budget. If you are staying under 45 days and are not streaming HD content daily, a 10GB or 20GB Flexi plan offers the best value-per-dollar.

Japan Data eSIM | 1GB to 30GB

Stay connected in Japan with SimCorner's Japan eSIM. Enjoy 1GB to 30GB of data for 7-30 Days, easy installation, and no roaming fees. Perfect for travellers!

Vendor: SimCornerS eSIM

7 DAYS 1GB (7 DAYS 1GB)

30 DAYS 3GB (30 DAYS 3GB)

30 DAYS 5GB (30 DAYS 5GB)

30 DAYS 10GB (30 DAYS 10GB)

30 DAYS 20GB (30 DAYS 20GB)

30 DAYS 30GB (30 DAYS 30GB)

Japan Data eSIM. SimCorner Prepaid Japan Data eSIM for Nationwide Travel Skip the roaming overages and the hassle of ID registrations for local SIM cards. Our Japan Data eSIM provides high-speed 5G/4G, multi-network coverage from the moment you land. Japan Data eSIM: Flexi Plan Details Flexible Data Allowances: Choose from 1GB up to 50GB based on your needs, with no daily usage caps or limits. Versatile Validity Periods: Service windows range from 7 days to 45 days , allowing you to pick a plan that matches your trip duration. multi-network Access: Auto-connects to Japan’s top two networks— SoftBank and KDDI (au) —for nationwide high-speed 5G/4G LTE coverage. Full Hotspot & Tethering: Share up to your full data allowance with laptops, tablets, or travel buddies at no extra cost. Instant Top-Ups : Easily add more data on the go directly through the SimCorner App . Convenience Features 📍 Nationwide Coverage: Comprehensive 5G/4G connectivity across all 47 prefectures—from the neon streets of Tokyo, Osaka, and Kyoto to remote destinations like Mt. Fuji, Hakone, and Okinawa . Stay connected even while traveling at 300km/h on the Shinkansen (Bullet Train) . 💬 Keep Your Number: Continue using your WhatsApp, iMessage, and social media accounts exactly as you do at home. 🛡️ Zero Hassle: No physical SIM cards to swap, no pocket Wi-Fi devices to charge or return, no local ID checks, and no expensive roaming overages. ⌛ No Activation Deadline: This Flexi Japan Data eSIM has no expiration window before activation. Buy now and use it whenever you are ready to travel. Compare Japan Data eSIM with Our Other Ranges Feature Japan Flexi Data eSIM (This Plan) Japan Unlimited eSIM Japan Ultra eSIM Data Structure 1GB to 50GB Fixed Truly Unlimited 20GB, 50GB, 100GB Daily Limits None None None Hotspot Full Support 3–30GB, as per plan Full Support Network KDDI (au) & SoftBank KDDI (au) KDDI (au), SoftBank, Docomo & Rakuten Top-Up Yes No No Ideal For Budget-conscious & light users Content creators & streamers Long-term stays & business Your Choice Choose 1–50GB Variants ↑ Switch to Japan Unlimited eSIM → Switch to Japan 20–100GB eSIM → Flexi vs Others: The Flexi Japan Data eSIM is designed for the smart traveler. Unlike the unlimited plan, which carries a premium price for data you might not use, the Flexi plan lets you control your budget. If you are staying under 45 days and are not streaming HD content daily, a 10GB or 20GB Flexi plan offers the best value-per-dollar.

Japan Unlimited Data eSIM. SimCorner Prepaid Japan Unlimited eSIM for Stress-free Connectivity Skip the roaming overages and the hassle of ID registrations for local SIM cards. Our Japan Unlimited eSIM provides high-speed 5G/4G, top-tier network coverage from the moment you land. Japan Unlimited eSIM: Plan Details Unlimited Data Allowance: Enjoy truly unlimited 4G/5G data across Japan with no daily caps or FUP restrictions. Versatile Validity Periods: Service windows range from 4 days to 31 days , allowing you to pick a plan that matches your trip duration. Top-Tier Network Access: Auto-connects to Japan’s top-tier network— KDDI (au) —for nationwide high-speed 5G/4G LTE coverage. Hotspot & Tethering: Share your included data allowance— 3-30GB depending on your plan—with laptops, tablets, or travel buddies at no extra cost. Convenience Features 📍 Nationwide Coverage: Comprehensive 5G/4G connectivity across all 47 prefectures—from the neon streets of Tokyo, Osaka, and Kyoto to remote destinations like Mt. Fuji, Hakone, and Okinawa . Stay connected even while traveling at 300km/h on the Shinkansen (Bullet Train) . 💬 Keep Your Number: Continue using your WhatsApp, iMessage, and social media accounts exactly as you do at home. 🛡️ Zero Hassle: No physical SIM cards to swap, no pocket Wi-Fi devices to charge or return, no local ID checks, and no expensive roaming overages. ⌛ No Activation Deadline: This Japan Unlimited eSIM has no expiration window before activation. Buy now and use it whenever you are ready to travel. Compare Japan Unlimited eSIM with Our Other Ranges Feature Japan Unlimited eSIM (This Plan) Japan Flexi Data eSIM Japan Ultra eSIM Data Structure Truly Unlimited 1GB to 50GB Fixed 20GB, 50GB, 100GB Daily Limits None None None Hotspot 3–30GB, as per plan Full Support Full Support Network KDDI (au) KDDI (au) & SoftBank KDDI (au), SoftBank, Docomo & Rakuten Top-Up No Yes No Ideal For Content creators & streamers Budget-conscious & light users Long-term stays & business Your Choice Choose Unlimited Variants ↑ Switch to Japan 1–50GB eSIM → Switch to Japan 20–100GB eSIM → Unlimited vs Others: The Unlimited plan is built for the high-demand traveler. While Flexi focuses on budget-friendly limits and Ultra provides massive 20–100GB buckets for long stays, the Unlimited plan delivers complete freedom to stream, browse, navigate, and stay connected without worrying about data usage limits.

Japan Data eSIM (20GB, 50GB or 100GB). SimCorner Prepaid Japan Travel eSIM for Nationwide Connectivity Skip the roaming overages and the hassle of ID registrations for local SIM cards. Our Japan Travel eSIM provides high-speed 5G/4G, multi-network coverage from the moment you land. Japan Travel eSIM: Ultra Plan Details Versatile Data Allowance: Choose from 20GB, 50GB, or 100GB for 31 days based on your needs, with no daily usage caps or limits. multi-network Access: Auto-connects to Japan’s top networks— SoftBank, KDDI (au), Docomo, and Rakuten —for nationwide high-speed 5G/4G LTE coverage. Full Hotspot & Tethering: Share up to your full data allowance with laptops, tablets, or travel buddies at no extra cost. Convenience Features 📍 Nationwide Coverage: Comprehensive 5G/4G connectivity across all 47 prefectures—from the neon streets of Tokyo, Osaka, and Kyoto to remote destinations like Mt. Fuji, Hakone, and Okinawa . Stay connected even while traveling at 300km/h on the Shinkansen (Bullet Train) . 💬 Keep Your Number: Continue using your WhatsApp, iMessage, and social media accounts exactly as you do at home. 🛡️ Zero Hassle: No physical SIM cards to swap, no pocket Wi-Fi devices to charge or return, no local ID checks, and no expensive roaming overages. ⌛ No Activation Deadline: This Ultra Japan Travel eSIM has no expiration window before activation. Buy now and use it whenever you are ready to travel. Compare Japan Travel eSIM with Our Other Ranges Feature Japan Ultra eSIM (This Plan) Japan Flexi Data eSIM Japan Unlimited eSIM (This Plan) Data Structure 20GB, 50GB, 100GB 1GB to 50GB Fixed Truly Unlimited Daily Limits None None None Hotspot Full Support Full Support 3–30GB, as per plan Network KDDI (au), SoftBank, Docomo & Rakuten KDDI (au) & SoftBank KDDI (au) Top-Up No Yes No Ideal For Long-term stays & business Budget-conscious & light users Content creators & streamers Your Choice Choose 20–100GB Variants ↑ Switch to Japan 1–50GB eSIM → Switch to Japan Unlimited eSIM → Ultra vs Others: The Japan Travel eSIM is designed for versatile data needs. While Flexi focuses on budget limits and Unlimited operates on daily resets, the Ultra plan provides a substantial 20GB, 50GB, or 100GB data allowance valid for 31 days. With no daily caps or restrictions, it serves as the premier solution for business professionals and long-term travelers who require a significant, flexible data pool for the duration of their visit.

Japan Data eSIM

5.0| 25 Reviews5 out of 5 stars based on 25 reviews
KDDI (au)5G/4G
SoftBank5G/4G
Info

Ensure your device supports eSIM before buying.

AUD$18.00
1
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Recent Reviews

Joseph C.

Worked v well. Easy to

Worked v well. Easy to install and use

Marcus F.

Easy

Easy

theresa a.

Excellent service received.

Excellent service received.

Gary S.

I’ve been using a 10G

I’ve been using a 10G Esim in Japan it has been great

SimCorner Prepaid Japan Data eSIM for Nationwide Travel 

Skip the roaming overages and the hassle of ID registrations for local SIM cards. Our Japan Data eSIM provides high-speed 5G/4G, multi-network coverage from the moment you land.

Japan Data eSIM: Flexi Plan Details

  • Flexible Data Allowances: Choose from 1GB up to 50GB based on your needs, with no daily usage caps or limits.

  • Versatile Validity Periods: Service windows range from 7 days to 45 days, allowing you to pick a plan that matches your trip duration.

  • multi-network Access: Auto-connects to Japan’s top two networks—SoftBank and KDDI (au)—for nationwide high-speed 5G/4G LTE coverage.

  • Full Hotspot & Tethering: Share up to your full data allowance with laptops, tablets, or travel buddies at no extra cost.

  • Instant Top-Ups: Easily add more data on the go directly through the SimCorner App.

Convenience Features

📍 Nationwide Coverage: Comprehensive 5G/4G connectivity across all 47 prefectures—from the neon streets of Tokyo, Osaka, and Kyoto to remote destinations like Mt. Fuji, Hakone, and Okinawa. Stay connected even while traveling at 300km/h on the Shinkansen (Bullet Train).

💬 Keep Your Number: Continue using your WhatsApp, iMessage, and social media accounts exactly as you do at home.

🛡️ Zero Hassle: No physical SIM cards to swap, no pocket Wi-Fi devices to charge or return, no local ID checks, and no expensive roaming overages.

⌛ No Activation Deadline: This Flexi Japan Data eSIM has no expiration window before activation. Buy now and use it whenever you are ready to travel.

Compare Japan Data eSIM with Our Other Ranges

Feature

Japan Flexi Data eSIM (This Plan)

Japan Unlimited eSIM

Japan Ultra eSIM

Data Structure

1GB to 50GB Fixed

Truly Unlimited

20GB, 50GB, 100GB

Daily Limits

None

None

None

Hotspot

Full Support

3–30GB, as per plan

Full Support

Network

KDDI (au) & SoftBank

KDDI (au)

KDDI (au), SoftBank, Docomo & Rakuten

Top-Up

Yes

No

No

Ideal For

Budget-conscious & light users

Content creators & streamers

Long-term stays & business

Your Choice

Choose 1–50GB Variants ↑

Switch to Japan Unlimited eSIM →

Switch to Japan 20–100GB eSIM →


Flexi vs Others: The Flexi Japan Data eSIM is designed for the smart traveler. Unlike the unlimited plan, which carries a premium price for data you might not use, the Flexi plan lets you control your budget. If you are staying under 45 days and are not streaming HD content daily, a 10GB or 20GB Flexi plan offers the best value-per-dollar.

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eSIM Japan Reviews & Ratings

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eSIM Japan FAQs: All You Need to Know

Everything you need to know about SimCorner’s SIM and eSIM services for a hassle-free travel. View all FAQ

SimCorner is your trusted global provider of travel eSIM and SIM cards. We offer affordable, hassle-free plans with options for data-only or data with calls and SMS, covering 200+ destinations. Order our prepaid SIM cards online for fast delivery to your doorstep, or choose an eSIM for instant purchase and easy activation. With our unmatched coverage and award-winning customer support, you can explore the world with confidence wherever your travels take you.

Make sure that your device is eSIM compatibility. See our full list of compatible devices. Ensure that you have access to the eSIM email we have provided. You may wish to print this email out so you have a hard-copy of the eSIM.

You can keep track of your Data usage through your phone's data usage function (found in Settings).

Once the eSIM is loaded, you simply need to have both MOBILE DATA and DATA ROAMING functions ENABLED/TURNED ON in your phone to use the service.

This SIM can connect to different network partners in the country

This SIM can be recharged. If your trip lasts longer than your eSIM's usage period, you can top up directly through the SimCorner app, available on the Apple App Store and Google Play. Just search for "SimCorner" in either store, download the app, and recharge from the "My SIMs" section. Please remember to delete your first eSIM before scanning the second one.

You are not able to send SMS and make phones calls with this Japan eSIM. We recommend that you use database apps such as Whatsapp, Viber, Skype to send messages to friends and family.

You can stay in touch with your family and friends by sending them messages and calling them via data based apps such as Whatsapp, Viber, Snapchat, Messenger, Skype, iMessage etc.

You are also able to add credit to your Viber or Skype account, which will allow you to make local and international phone calls directly to landlines and mobiles.

Yes, you will have access to all your apps, messages, contacts and emails whilst using this esim card. Nothing on your phone is deleted or changed and you can continue to use your phone as per normal. The only change with using this esim card is that you will have a new phone number.

Order your travel eSIM online and let us know your travel date. The eSIM will be emailed to you within 5-10 minutes of purchase. When you land at your travel destination, follow the steps noted in the email and your eSIM will be ready to use. Your 7-45 Days or service will commence.

This is a data only eSIM. It does not come with a phone number.

Yes, you are able to hotspot/tether from your phone to another phone or device.

The mobile data APN settings should automatically update when you insert the sim card in you phone. If it does not, you need to update the settings noted in the instruction guide that comes with the QR code, that is emailed to you.

If you still have issues, then e-mail us immediately at support@simcorner.com and let us know what errors you are getting

 

The features on the eSIM are valid for 7 to 45 Days of service from activation, depending on the plan you purchase.

Should you run into any issues with the eSIM whilst overseas then we encourage you to email us immediately at support@simcorner.com and let us know the following information;

Your order number or the name that the order is under Which country you are in currently and whether the eSIM connects to any network, if so, which network? Did you receive any SMS after you installed the eSIM. If so, please send us a screenshot of that message. Message us screenshots of any error message you are getting. What phone model you are using? Any other information about the issue, which will assist us in helping you resolve the issue.

You can stay in touch with your family and friends by sending them messages and calling them via data based apps such as Whatsapp, Viber, Snapchat, Messenger, Skype, iMessage etc.

You are also able to add credit to your Viber or Skype account, which will allow you to make local and international phone calls directly to landlines and mobiles.

We have a 100% Money Back Guarantee policy, which means that if you have a bad experience with one of our sim card and receive no value from it, we will provide you a refund. However, you MUST contact us whilst you are having the issue, so our team can assist you in resolving your problems. Please do this when you are in WiFi (generally at the airport when you land if not working to begin with) or e-mail us from your accommodations (WiFi) or cafe etc. If you only decide to contact us after you return to let us know the sim didn't work then we can't look to provide a refund as we won't be able to see exactly what the issue was and why it didn't work.

Should you run into any issues whilst using the sim card, please immediately contact us at support@simcorner.com Should our team be unable to assist you in resolving your issue, then we will provide you a refund on your purchase.