【Buy One Get One Free on Selected Plans】Japan eSIM | 5G/4G Network Docomo / IIJ / KDDI / Softbank | eSIM
- Japan eSIM network provides 4G/5G services
- Network provided by Docomo / IIJ / KDDI / Softbank, utilizing roaming resources from Japan's three major telecom operators with excellent signal coverage
- eSIM QR code will be sent via email; eco-friendly, fast, no SIM card replacement required, no shipping fees, and no risk of loss
- A variety of duration, daily data, and total data flexible plans available for selection
Package options
What You Can Expect
Please confirm whether your device supports eSIM before purchasing.
eSIM User Guide (iOS System)
eSIM Operation and Usage Instructions (Android System)
Activation Instructions
Purchase Notice
- After order confirmation, the eSIM QR code will be sent via email within 1 business day. Please also check your spam/junk mail folder.
- Hotspot sharing will consume bandwidth, and network speed may vary depending on the terminal device and geographical location, so a minimum network speed cannot be guaranteed.
- If your location or mobile phone does not support 5G, it will automatically switch to 4G/3G signals. The actual network speed will depend on the local signal strength.
- In accordance with the principle of fair network usage, telecommunications companies may, at their discretion, limit the data allowance of users who consume large amounts of data in a short period of time, and recommend avoiding prolonged periods of watching videos or updating systems.
Reminders
Before purchasing, you can dial *#06# to check. If the device displays an EID serial number, it means that this mobile device supports eSIM functionality. No refund will be given if the mobile device is incompatible or does not support eSIM.
Customers holding mobile devices with mainland China versions should note that although the device has or includes eSIM functionality, only eSIMs supplied by local telecom providers in mainland China are supported. Mobile devices not sold in mainland China do not have this restriction.
Once the order is confirmed, the eSIM QR code will be sent via email within one business day. Please also check your spam/junk mail folder.
An internet connection is required to install an eSIM. Please ensure there is available Wi-Fi or mobile data in your environment before installation.
Each QR code can only be scanned once for installation. Once bound, it cannot be used on different devices. Do not delete or remove it unless you are finished using it, otherwise you will not be able to rescan and install it.
To end your use of the eSIM plan on your phone, simply tap "Remove Mobility Plan" at the bottom.
If usage exceeds the eSIM's specified memory allowance, the transfer speed will be limited.
The eSIM is valid for 90 days after order confirmation and must be activated in the designated country or region. If it expires after this period, the payment will not be refunded.
Days are calculated in calendar days (days started before 23:59 are considered day one, and days started at 00:00 are considered day two).
Time zone calculation method: GMT +8. Hong Kong time zone is the standard, not the destination time zone.
Actual connection signal and speed can be affected by various factors, such as the relative location of the customer and the transmitting station, website server resources, internet traffic and number of users, mobile device speed support, network coverage of the local network provider, weather, or other unforeseen circumstances.
How to Use
- Each eSIM QR code can only be scanned and installed once; once bound, it cannot be used on different devices. Unless you are finished using it, please do not delete or remove it, otherwise you will not be able to rescan and install it.
- An internet connection is required to install an eSIM. Please ensure there is available Wi-Fi or mobile data in your environment before installation.
- When using eSIM, please enable data roaming and mobile data, and disable Wi-Fi and airplane mode.
- Wait a few minutes for the eSIM to connect to the designated local network; no registration is required.
- Please check and confirm that your network connection is with the specified telecom provider.
Cancellation Policy
- Once the order has been completed, it cannot be canceled, modified, or refunded
- Due to time zone differences, the confirmed cancellation date is based on the supplier’s local time. Please allow 2–5 business days to process your cancellation request, after which the cancellation fee will be charged according to the product’s cancellation policy. Once your refund request is confirmed, KKday will initiate the refund to your original payment method within 15 days. The actual refund timing depends on your card-issuing bank’s policy.
FAQs
1. What are the primary advantages of using a Japan eSIM for international travelers?
Utilizing a Japan eSIM offers several key benefits for travelers, including environmental friendliness as it eliminates the need for a physical card. It's delivered quickly via an email QR code, preventing loss of a physical SIM. The process avoids the hassle of physically swapping cards, making it a convenient and modern solution for maintaining connectivity abroad.
2. How do travelers activate and begin using their Japan eSIM upon arrival?
To activate your Japan eSIM, simply scan the provided QR code, which is sent to you via email after purchase, using your compatible device. Installation of the eSIM profile is straightforward. Service typically begins automatically upon your arrival in Japan, connecting you to the local network. It is recommended to download the profile while connected to Wi-Fi before or immediately upon arrival.
3. Which network providers ensure reliable 5G/4G connectivity for Japan eSIM services?
Japan eSIM services, including this product, are designed to provide robust 4G and 5G network coverage by utilizing major Japanese telecommunication providers. These typically include Docomo, IIJ, KDDI, and Softbank. This strategic partnership ensures broad signal reach and stable internet access across various regions throughout Japan.
4. What data plan options are available for a Japan eSIM, such as daily or total data limits?
Japan eSIMs offer flexible data plans to accommodate diverse travel needs. Travelers can choose between daily data plans, which provide a specified data allowance that refreshes each day, or total data plans, which offer a fixed amount of data to be used throughout the entire trip duration. These options allow for customization based on length of stay and anticipated data consumption.
5. What are some potential considerations or drawbacks when opting for a Japan eSIM?
While highly convenient, eSIMs do have some considerations. They require a compatible device, meaning older smartphone models may not support them. Initial setup, which involves scanning a QR code, needs an active Wi-Fi connection. Transferring an eSIM profile between different devices can sometimes be a complex process, and some devices may have limitations on storing multiple eSIMs.
6. How much internet data is typically sufficient for a standard trip to Japan with an eSIM?
The amount of internet data needed for a Japan trip largely depends on individual usage patterns. For light use (e.g., navigation, messaging, light browsing), 1-2 GB per day might be adequate. Moderate users who include some social media and occasional video streaming might require 3-5 GB daily. Heavy users, who frequently stream high-definition content or perform large downloads, should consider larger or unlimited data plans.
7. What distinguishes the delivery and setup process of a Japan eSIM from a traditional physical SIM card?
The delivery and setup of a Japan eSIM are entirely digital, differentiating it significantly from physical SIM cards. Instead of receiving a physical card via mail or needing manual insertion, an eSIM is delivered as a QR code directly to your email. This eliminates shipping time, costs, and the risk of losing a small physical card, streamlining the setup by simply scanning the code onto your device.
8. Can a Japan eSIM provide access to both 4G and 5G networks throughout the country?
Yes, a Japan eSIM is designed to provide access to both 4G and 5G networks, offering high-speed connectivity across Japan. The service leverages the advanced infrastructure of leading local carriers. The actual availability and speed of 5G may vary based on your device's compatibility and the specific 5G network coverage in different geographical areas during your travels.
