Japan Data eSIM (20GB, 50GB or 100GB)
Japan Data eSIM (20GB, 50GB or 100GB)
Japan Ultra Data eSIM
[eSIM] Japan Data eSIM (31 Days | 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 Travel eSIM (20GB, 50GB or 100GB)
Stay connected in Japan with our eSIM. Enjoy 20GB, 50GB or 100GB data for 31 days. Seamless connectivity. Buy now from SimCorner!
Vendor: SimCorner O World eSIM
31 DAYS 20GB (31 DAYS 20GB)
31 DAYS 50GB (31 DAYS 50GB)
31 DAYS 100GB (31 DAYS 100GB)
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 (20GB, 50GB or 100GB)
Japan Data eSIM (20GB, 50GB or 100GB)
Ensure your device supports eSIM before buying.
Data
20GB,50GB,100GB
Validity
31 Days
Data Speed
4G/5G
Calls
Not included (Data-Only)
Phone Number
N/A
Texts
Not included (Data-only)
Hotspot
Included
Product Add-on
N/A
Order for everyone
eSIMs are instantly delivered to your email!
Price Drop? Get a Refund
If the price drops within 30 days, we'll refund the difference!
Seen it for less? We'll beat it!
If you find the same SIM for less, we'll beat the price by 5%!
Price Drop? Get a Refund
If the price drops within 30 days, we'll refund the difference!
Seen it for less? We'll beat it!
If you find the same SIM for less, we'll beat the price by 5%!
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 |
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.
Get 10% Off Your Next Adventure
Sign up to our newsletter and join 1M+ travelers for expert roaming hacks, global 5G updates, and early access to all our best deals.
SimCorner’s Unmatched Guarantees for Global Connectivity
Every SimCorner eSIM or SIM card you purchase is protected by our official service guarantees.
5% Price Beat Guarantee
Find the same plan at a lower price elsewhere? We will beat it by 5%—even on sale.
30-Day Price Lock Guarantee
If our price drops within 30 days of your purchase, we will credit you the difference.
100% Money-Back Guarantee
Experienced a technical failure we cannot fix? Receive a hassle-free full refund.
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. Please note that your 31 Days of service will commence as soon as you scan the QR code for eSIM.
When you land at your destination, simply open the email we have sent you and install the eSIM (detailed step by step instructions with screenshots will be provided).
This eSIM is a Data-ONLY sim hence it doesn't come with a phone number. The sim does not allow you to make direct calls or send direct SMS. However, you are still able to make calls and send messages via data based apps such as Whatsapp, Viber, Snapchat, Messenger, Skype, iMessage etc.
However, 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 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 in you phone. If it does not, you need to update the settings so it states the following;
APN Name: internet
APN: internet
Details about APN settings and other important information will be noted on the instruction sheet that will come accompanied with the eSIM.
If you are travelling for longer than 31 Days, please purchase multiple sSIMs accordingly. For example, if you are travelling for 60 days then purchase 2 of these sims and swap them over at the end of the 31 day period.
Should you run into any issues with the sim 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 along with the sim number. Which country you are in currently and whether the sim 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.
You are able to remain in touch with your friends and family via data based apps such as Whatsapp, Viber, Snapchat, Messenger, Skype etc.
If you are travelling to different countries that are noted on the "Countries Coverage" section, then all you need to do is restart your phone as you move from one country to another. The sim will automatically connect to a local carrier.
Should you run into any issues, with network connections as you move from one country to another we encourage you to contact us immediately at support@simcorner.com
Make sure that your device is eSIM compatibility. See our full list of compatible devices
To check your data balance/allowance you simply need to dial *111*6# then press Call (star, one, one, one, star, six, hash then press Call).
If you receive any text messages noting that you have zero credit balance then you can ignore as it does not relate to your data balance.
You simply need to have both MOBILE DATA and DATA ROAMING functions ENABLED/TURNED ON in your device to use the service. This eSIM activates as soon as you scan the QR code provided. It is on this date that your 31 Days of service will commence.
The features on the eSIM are valid for 31 Days of service from activation.
If you want to recharge the eSIM either within or after the 31 days duration then you must first register your identification details at https://travel.orange.com. We recommend doing this within the first 3 weeks of activating it if you plan to top up/recharge as it could take them a couple of days to verify.
You are then able to top up using the same link and the different options will be noted after you input your phone number for the SIM.
Alternatively, you can purchase multiple sims prior to your travel, based on the duration of your travel and swap them after 31 days usage.
This eSIM is a Data-ONLY sim, hence, it does not allow you to make direct calls and send SMS. However, you are still able to make calls and send messages 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, if you purchase 2 sims then you will be able to contact each other via data based apps such as Whatsapp, Viber, Snapchat, Messenger, Skype etc.
We have a 100% Money Back Guarantee policy, which means that if you have a bad experience with one of our sims 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, 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.
Yes, you will have access to all your apps, messages, contacts and emails whilst using this eSIM. Nothing on your phone is deleted or changed and you can continue to use your phone as per normal.