eSIM Data Communications

eSIM Set Up eSIM Settings Guide

eSIM: Fast & Easy

Immediate Access at Travel Destination

No Need to Replace SIM Cards

Order Completed Online

Prepaid docomo eSIM Plans

docomo network provides a stable communication environment with comfortable speeds. While there are data usage limits, docomo's network is highly praised for its speed and quality, making it the most popular choice among Prepaid SIM cards in Japan.

Data CapacityDaysPrice

Restricted Speed
Once data usage exceeds data capacity, the speed is limited to 200kbps.

How to Use

Purchase Data Plan

Select and purchase required data from preferred data plan

Set Up eSIM

Set Up eSIM with the QR code or activation code to install eSIM

Connect Online

Select eSIM and connect online


eSIM enables internet access by downloading the SIM information onto your smartphone via the internet.
Follow the steps below to install eSIM and to get online access.

  1. Install eSIM
  2. APN Set Up
Already purchased eSIM?
After purchasing an eSIM, please click below to get the QR code/activation code for installing the eSIM.
eSIM Set Up
eSIM Settings Notifications

You will need to set up in a Wi-Fi network
If you delete the eSIM information that you have installed, you can only re-install on the same device. You can not use it on another device.
Due to the iOS specifications, you can only install the APN configuration profile onto one iOS device.


Can I use tethering?


Can I make calls or use SMS?

Our eSIM is for data usage only so you can not make phone calls using a phone number or use SMS.

Which device is compatible?

You can use it on eSIM compatible SIM free devices on both iOS/iPad OS device and Android devices

Which payment methods do you accept?

We only accept credit cards.

Do eSIMs expire?

Yes, they have an expiration date. Please consider the expiration date upon purchase.

When can I start using after purchase?

You can use immediately after purchase. But please take notice of the expiration date.

Can I use the same QR code to install the eSIM profiles on 2 devices?

Each QR code are tied to individual eSIM numbers and can only be used once. In order to use eSIM on more than 2 devices, you will need to purchase a new eSIM.

Can I move an eSIM that has already been installed, to use on a different device?

You can only install the eSIM on one device and therefore you can not use it on another device. You will need to purchase a new eSIM in order to use on another device.

Is there an expiration date for unused data plans.

Yes, there are. It expires according to the expiration date of purchased eSIM.

Is there an expiration date for the QR code to install the eSIM profile?

There is an expiration date for the eSIM so please install by the expiration date to get internet access.

Can I extend the expiration date of my purchased plan?

No you may not.

I’ve got “Could not activate mobile data network” “PDP authentication failure” error on my device.

If rebooting your device does not solve the issue, go to Settings -> General -> Reset -> Reset Network Settings on your phone to reset the network setting. Then re-enter the APN settings again.



AppleAll models released after iPhone xs


GoogleAll models released after Pixel 3 series

Our SIM Service

Prepaid eSIM

¥ 3990 ~

  • 10GB
  • No Need to Replace SIM Cards
  • Completed Online
See Plans

SMS available SIM

¥ 4400 ~

  • 25GB/month
  • docomo SIM, SMS avaiable
  • Monthly contract, with FREE shipping
See Plans

Unlimited Prepaid SIM

¥ 4100 ~

  • Unlimited Data
  • No need to return
  • Free Shipping
See Plans

Rental SIM

¥ 138 ~

  • 200MB/350MB
  • SIM card Holder and SIM Pin
  • The Secure Option
See Plans