KDDI 5G Network provides
Non-stop internet
KDDI 5G Network provides
Non-stop internet
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Lightning-fast 5G speeds with no slowdowns |
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Same top quality network used by locals |
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The best price per GB you’ll find |
As this plan connects directly to KDDI's local towers, it ensures low latency. The download ping is only 42ms, which is an excellent score. You can also experience download speeds of up to 600Mbps in 5G mode.
Better deals than Airports
Better deals than Airports
Do you still buy eSIM after you land in Airport ?
Get online in just 5 minutes and be ready ahead of time.
Do you still buy eSIM after you land in Airport ?
Get online in just 5 minutes and be ready ahead of time.
*This is the actual price at Narita Airport.
*This is the actual price at Narita Airport.
Choose your best option
Choose your best option
Plan details:
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Unlimited Internet without speed restriction |
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Data-only plans, not including local phone numbers. |
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A day is counted at 00:00 based on Japanese time. |
| Vaildity days | Price |
| 3 days | 15.99 | $11.99 |
| 4 days | 21.32 | $15.99 |
| 5 days | 26.65 | $19.99 |
| 6 days | 31.99 | $23.99 |
| 7 days | 37.32 | $27.99 |
| 8 days | 39.99 | $29.99 |
| 9 days | 42.65 | $31.99 |
| 10 days | 45.32 | $33.99 |
| 11 days | 50.65 | $37.99 |
| 12 days | 53.32 | $39.99 |
| 13 days | 55.99 | $41.99 |
| 14 days | 58.65 | $43.99 |
| 15 days | 61.32 | $45.99 |
All our plans include
these benefits
Unlimited
at
Max Speed
Nationwide
Coverage
Free Mobile
Hotspot
Free au
WiFi Zone
Things to know
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Check CompatibilityBefore ordering, ensure your device is carrier-unlocked and compatible.
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Mobile HotspotThe mobile hotspot data allowance varies depending on the date option. Please refer to the details below. *Mobile Hotspot Data |
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Activation PointData plan will start as soon as you connect to local network. You can scan the QR code and install the eSIM in advance. As this plan is directly provided by a Japanese Carrier(au by KDDI), there’s no need to toggle on [Data Roaming]. |
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5G Connectivity5G is available in compatible phones in 5G coverage zones. 5G coverage may vary depending on regional circumstances. Refunds due to lack of 5G support will not be accepted. |
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Unable to Reinstall or TransferRemoving the eSIM will delete the data plan from your phone. You can’t install the eSIM again. Please do not remove your eSIM by tapping [Remove Cellular Plan] button while in use. |
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To get in touch with us, ask eSIM World Team anytime via [email protected]. |
Unlimited data is enough for travelers to do everything
Translate a text on Google Translate
Watch videos on Youtube
Search routes on Google Maps
Send a text message on WhatsApp
Call a taxi from Uber
Our Local Network covers 99% of the time in Japan
ESIMJAPAN.COM offers reliable service on the KDDI’s network. You’ll enjoy 4G LTE speed almost everywhere you travel in Japan.
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150,000+ Travelers like you already used our eSIM
Join them now!
We have helped thousands of customers get hassle-free connectivity. Experience the easiest way to stay connected.
What you can expect
How it works
Get eSIM at your fingertips, Get ready for your trip!
Step 1
Pick a plan
Choose the plan that suits your travel needs and place an order.
Step 2
Scan the QR code
Receive the QR code via email and instantly scan it to activate.
Step 3
Ready to go!
Have a light and enjoyable trip without any data concerns.
Our Promise
24/7 Personalized Support
No matter when you reach out—whether it's 2 PM or 2 AM— our dedicated customer support team is ready to help you. Get practical and helpful solutions from skilled human experts.
Frequently asked questions
Can I use Nationwide eSIM Plans everywhere in Japan?
Yes, eSIM Japan 5G Unlimited Max Data plans work everywhere in Japan. We select and offer the best data plans which provide the best nationwide coverage.
Should I order and activate an eSIM before traveling?
You can purchase an eSIM at your convenience, either one day before your travel date or upon arrival at your destination.
Additionally, please note that to install the eSIM, your device must be connected to a Wi-Fi or a cellular data network.
Does eSIM Japan 5G Unlimited Max Data truly offer Unlimited Data?
Yes, there is no speed cap. However, excessively high mobile data usage may result in carrier penalties without prior notice. Please note that no refunds, cancellations, or returns will be accepted.
Is 5G network available in all areas of Japan?
5G is available in compatible phones in 5G coverage zones. 5G coverage may vary depending on regional circumstances. Refunds, cancellations, or returns, due to lack of 5G support are not possible.
Are voice calls and SMS available with the eSIM plan?
You cannot make phone calls or use SMS with this eSIM plan.
eSIM Japan 5G Unlimited Max Data plans are data-only and do not include a local mobile number.
Where can I use Free au WiFi?
Please check the au WiFi Zone here: https://au.wi2.ne.jp/area/.
Common au Free WiFi Zone: Starbucks, Doutor, KFC, Subway, Don Quijote, Big Camera
After my eSIM plan expires, can I extend it?
Please note that we do not offer a top-up service for eSIM Japan 5G Unlimited Max plans. Instead, we recommend purchasing a new eSIM plan and installing it on your device again.
Are there any inaccessible mobile apps when using the eSIM plan?
You are free to use all mobile apps without any restrictions.
How can I get support from eSIM World Team?
To get in touch with us, ask eSIM World Team anytime via [email protected].
