After successfully purchasing, your eSIM will be sent to the email address you provided within an hour.
Before purchasing an eSIM, please ensure that your mobile device supports eSIM technology. Once an eSIM product is ordered, it cannot be returned or refunded.
Japan KDDI eSIM can only be downloaded / installed once. Please do not delete the eSIM after downloading / installing it. The eSIM cannot be re-installed or re-issued again.
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Product Information
Product Name
Japan KDDI 4 Days Full Speed Unlimited Data eSIM
Japan KDDI 7 Days Full Speed Unlimited Data eSIM
Japan KDDI 10 Days Full Speed Unlimited Data eSIM
Japan KDDI 15 Days Full Speed Unlimited Data eSIM
Countries / Regions
Japan
Days
4
7
10
15
Usage time is based on Japan Time Zone, with each day ending at 23:59:59. Any usage less than a full day will be counted as one day.
Please activate and use within 180 days of purchase.
Networks
5G
Product Information
Unlimited Data
Service Provider
KDDI
SIM Card Type
eSIM provided by one of Japan’s three major telecommunications companies, KDDI, does not require data roaming to be enabled.
Voica Call Services
Not included voice call services. (Voice calls can be made using communication apps)
WiFi Hotspot
Days Data Sharing Limit 4Days 3GB 7Days 6GB 10Days 9GB 15Days 15GB
* If the customer exceed the WiFi hotspot usage listed above, a speed limit of 128kaps will be applied to WiFi Hotspot function only. The data speed of the SIM itself will not be affected.
Product Name
Japan KDDI 4 Days Full Speed Unlimited Data eSIM
Japan KDDI 7 Days Full Speed Unlimited Data eSIM
Japan KDDI 10 Days Full Speed Unlimited Data eSIM
Japan KDDI 15 Days Full Speed Unlimited Data eSIM
Countries / Regions
Japan
Days
4
7
10
15
Usage time is based on Japan Time Zone, with each day ending at 23:59:59. Any usage less than a full day will be counted as one day.
Activate and Use Expiry Date
Within 180 days of purchase
On or before 2026-04-21
Within 180 days of purchase
Networks
5G
Product Information
Unlimited Data
Service Provider
KDDI
SIM Card Type
eSIM provided by one of Japan’s three major telecommunications companies, KDDI, does not require data roaming to be enabled.
Voica Call Services
Not included voice call services. (Voice calls can be made using communication apps)
WiFi Hotspot
Days Data Sharing Limit 4Days 3GB 7Days 6GB 10Days 9GB 15Days 15GB
* If the customer exceed the WiFi hotspot usage listed above, a speed limit of 128kaps will be applied to WiFi Hotspot function only. The data speed of the SIM itself will not be affected.
How to Buy
eSIM: 1. Purchase on this page, add to cart and checkout or click Buy It Now. After successfully purchasing, your eSIM will be sent to the email address you provided within an hour. 2. Japan KDDI eSIM can only be downloaded / installed once. Please do not delete the eSIM after downloading / installing it. The eSIM cannot be re-installed or re-issued again.
User Instructions
Availability and coverage of service and network depend on user’s location. The quality of the services depends in whole or in part on mobile device setting, mobile network signal strength, other physical conditions and atmospheric conditions and other causes of interference.
Once the product is ordered, it cannot be returned or refunded.
Validate your login