Japan Native 5G eSIM | Unlimited Data 1–30 Days | Selected Local Network, High-Speed & Stable, AI & TikTok Supported
- Native lines from Japan's top three telecom providers with local IP for stable, low-latency connections.
- Supports AI applications like ChatGPT and Gemini, as well as common apps like LINE, Instagram, and Google Maps.
- One-tap installation via the KKday app for iOS 17.4 and above.
- QR code issued immediately upon booking for quick activation.
- 24-hour customer support available.
Package options
What You Can Expect
Purchase Notice
- Once the booking is sent, it cannot be canceled or refunded. Please ensure your device supports eSIM before purchasing to avoid any issues.
- The eSIM can be activated within 30 / 90 days of purchase (depending on the package). The departure date selected during booking is for system reference only; you may activate it at your convenience within the validity period based on your actual itinerary.
- A Wi-Fi or wireless network connection is required to install the eSIM. We recommend completing the installation before departure or using free airport Wi-Fi upon arrival.
- Network coverage varies by local telecom provider and may be affected by signal coverage, terrain, or peak-hour traffic. If the connection is unstable, try moving to a different location or toggling airplane mode to refresh the signal. If the issue persists, please contact our online customer support for assistance.
- For eSIM FAQs, please refer to the Help Center.
Includes/Excludes
- eSIM
Reminders
The departure date selected during booking is for reference only and does not need to be the activation date. The eSIM can be installed in advance and must be activated by connecting to the network at the destination within the validity period.
A network connection is required for installation. If an error occurs while scanning the QR code, please check if the eSIM has already been successfully installed. There is no need to scan it again if installation is successful.
To add the eSIM manually, please copy the SM-DP+ Address and Activation Code from the 'Pre-departure Reminder'. No activation code is required.
If 'Activating' or 'Unable to Activate' is displayed during pre-installation, do not delete the eSIM. Simply turn it on again upon arrival.
VPNs may affect connection stability. If you experience any issues, we recommend turning off your VPN.
Network quality may vary depending on location, signal coverage, and the number of users. If you experience connection issues, please contact our 24-hour online customer support for assistance.
How to Use
[Docomo Package]
Manual APN setting is required for this package. If you cannot connect to the Internet or use a hotspot, please enter the following in the APN field: a.apn02.net
iPhone: Settings → Cellular → Select eSIM → Cellular Data Network → Enter 'a.apn02.net' in the APN field → Back
Android: Settings → Network & Internet → SIMs → Select eSIM → Access Point Names (APN) → Add → Enter 'a.apn02.net' → Save
[Enter KKday Booking Number to Check Data Usage]
https://search.t-sim.hk/dataplan/order
* Data usage check is currently not supported for KDDI packages.
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 makes a Japan 4G/5G eSIM a distinct choice for internet connectivity in Japan?
This Japan 4G/5G eSIM offers local IP and native lines from major carriers like Docomo, KDDI, and SoftBank, ensuring stable, low-latency connections. Its instant QR code delivery and one-click installation for iOS users eliminate the need for physical SIM cards, making activation quick and hassle-free. It also uniquely allows users to retain their original phone number for calls and SMS while enjoying high-speed data.
2. Which major Japanese telecommunication providers are supported by this Japan 4G/5G eSIM service?
This Japan 4G/5G eSIM service integrates solutions from Japan's three major telecommunication providers: Docomo, KDDI, and SoftBank. This comprehensive selection ensures diverse network options and stable connectivity through local IP and native lines, offering flexibility and reliable performance across various regions in Japan.
3. How much data is generally sufficient for travelers using a Japan 4G/5G eSIM during their trip?
The amount of data needed for a Japan trip varies based on individual usage. For typical travelers, activities like map navigation, social media browsing, messaging, and occasional video streaming can consume a moderate amount of data. Consider your daily habits and the length of your trip to choose a plan that provides ample data volume to ensure uninterrupted connectivity throughout your stay.
4. Can popular messaging applications, such as LINE, be used effectively with a Japan eSIM?
Yes, popular messaging applications like LINE will function seamlessly with your Japan eSIM. This eSIM utilizes local IP and native lines from major Japanese carriers, ensuring a stable and reliable internet connection for all your communication needs, including video calls and sending multimedia. You can stay connected with friends and family without interruption.
5. How does the Japan eSIM simplify the process of getting online compared to traditional physical SIM cards?
The Japan eSIM significantly simplifies getting online by eliminating the need for physical card swaps, SIM pins, or waiting for mail delivery. After ordering, you instantly receive a QR code. For iOS 17.4+ users, installation is a quick one-click process via the app. This means you can activate your internet service immediately upon arrival, saving time and hassle.
6. Who would benefit most from choosing a Japan 4G/5G eSIM for their travel internet needs?
The Japan 4G/5G eSIM is ideal for travelers seeking immediate, hassle-free internet access without physical SIM card changes. It's perfect for those who want to keep their original phone number active for calls and SMS, require stable connections from multiple top carriers, and need robust support for data-intensive activities, including advanced AI applications.
7. What is the streamlined installation process for the Japan 4G/5G eSIM, particularly for iOS users?
For iOS users with devices updated to 17.4 or above, and the latest version of the app, the Japan 4G/5G eSIM offers a one-click installation feature, significantly simplifying the setup. After receiving the QR code instantly upon order confirmation, you can quickly complete the eSIM installation without manual input. Android users whose phones support eSIM can contact customer service for an exclusive one-click installation link.
8. Does the Japan 4G/5G eSIM offer full support for advanced AI applications like ChatGPT?
Yes, the Japan 4G/5G eSIM is designed to support all advanced AI applications, including popular platforms like ChatGPT, Gemini, and Claude. Its use of local IP and native lines from major Japanese carriers provides large bandwidth and a smooth, uncongested internet experience, ensuring optimal performance for all your AI-powered tasks and applications.
