Japan eSIM High Speed Data Plans [50% Off]
- Book Japan eSIM unlimited data on KKday for instant high speed Internet
- Choose from various data plans with trusted telecom providers
- One-click installation via KKday App (iOS 17.4 or later)
- Enjoy eSIM benefits: eco-friendly, no shipping & keep your SIM card
- Find the best eSIM for Japan with KKday's exclusive deals & seasonal discounts!
Package Options
Product Info
The content of this product is provided by machine translation and may not reflect the actual information, please take this into consideration before booking.
Please confirm that your device supports eSIM before purchasing
iOS installation instructions
Android installation instructions
SIM Card Specifications
| Data Usage Specifications | Unlimited data, 500MB, 1GB, 2GB, 3GB, 5GB, 7GB, 10GB, 15GB, 20GB, 30GB, 40GB, 50GB |
| Transmission Specifications | 4G |
| Signal Coverage Area | Japan |
| Mobile Carrier | KDDI, DOCOMO, SOFTBANK |
| Supported Sizes | eSIM |
| Hotspot Sharing | Available |
| Supported Frequencies(4G) | B1（2100 MHz）, B8（900 MHz）, B3（1800 MHz）, B7（2600 MHz） |
| Top-Up Availability | Top-up unavailable |
| Excludes | Voice calls, Texts |
| Not Supported | SIM-locked device, Carrier-customized device, Mobile hotspot, customized devices, 3G mobile phones, translators, or phones without eSIM function |
Important Info
Reminders
Order is non-cancellable and non-refundable after QR code scanning and the eSIM download
eSIM can be used immediately after activation but requires a stable network or Wi-Fi connection during the installation
Each QR code can be scanned twice. After a QR code is linked to a device, it cannot switch device or be deleted
Please use the eSIM within 60 days after receiving it, otherwise it will be invalid
Please install the eSIM upon arrival at your destination to avoid premature start of the validity period
Require iOS 12.1 or later versions. iPhones sold in Mainland China do not support eSIM. In Hong Kong and Macau, only specific iPhone models (13 mini, 12 mini, SE 2020, XS) support eSIM
Please check with Samsung's official website to confirm eSIM compatibility for Samsung devices. These compatibilities vary by country. Samsung devices purchased in Taiwan do not support eSIM
External factors such as surrounding landforms, weather, building obstruction, number of users, or location may affect connection quality and speed
Fair Usage Policy (FUP) is a standard implemented by governments and telecommunications companies to protect the rights and interests of local users in using the Internet. If you have concerns about FUP control, please choose a limited daily data or total data plan
How to Use
- How to install:
- iOS: Settings > Mobile Data > Add eSIM > Scan QR code > Add data plan
- Android: Settings > Connections > SIM Card Manager > Add mobile plan > Scan QR code - Set eSIM APN:
Usually the APN will be automatically recognized. If noy, you need to set it manually.
- KDDI APN: cmhk
- DOCOMO APN: vmobile.jp
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 the cancellation is confirmed, you will receive your refund within 14 working days.
FAQ
Yes, Japan widely offers eSIM options specifically designed for international tourists. These digital SIMs provide high-speed mobile data access across the country, making it convenient to stay connected without needing a physical SIM card. They are a popular and modern solution for travelers seeking seamless connectivity.
For a three-week trip to Japan, your data needs depend on usage patterns. Light users (maps, messaging, occasional browsing) might need 10-20GB. Moderate users (social media, some streaming, video calls) could require 30-50GB. Heavy users or those planning to use their device as a hotspot may benefit most from unlimited data plans, often with a daily high-speed cap.
When selecting a Japan eSIM, consider network coverage and reliability across your travel destinations, ensuring consistent high-speed data. Look for flexible data plan durations that match your trip length, clear activation instructions, and responsive customer support. Compatibility with your device's operating system (e.g., iOS 17.4 or later for one-click installation) is also important.
A Japan eSIM significantly enhances travel by offering instant activation via a QR code, eliminating the need to physically swap cards or search for local vendors. This eco-friendly option allows you to keep your primary physical SIM card for calls, maintaining your original number while enjoying high-speed data. It provides flexibility and convenience from the moment you arrive.
The optimal time to purchase a Japan eSIM is before your departure, ensuring you receive the QR code and instructions in advance. Activation typically happens upon arrival in Japan when your device connects to a local network. This setup allows for immediate data access. KKday offers various Japan eSIM plans from trusted telecom providers, simplifying your choice and management.
Yes, one of the primary benefits of using a Japan eSIM is the ability to continue using your existing physical SIM card for calls and SMS. You can easily configure your smartphone's settings to designate the eSIM for mobile data while your physical SIM handles voice communication, providing seamless dual functionality.
Installing a Japan eSIM typically involves scanning a QR code provided after purchase. Ensure your device is connected to Wi-Fi and is eSIM compatible. Navigate to your phone's cellular or mobile data settings, select 'Add Cellular Plan' or 'Add eSIM,' and scan the QR code. Follow any on-screen prompts to complete the setup. Some platforms also offer one-click installation via their apps.
Japan eSIM data plans primarily differ in duration (e.g., 5, 7, 15, or 30 days) and data allowance (e.g., fixed GB like 10GB, 20GB, or unlimited data with potential daily high-speed caps). Some plans are specific to certain regions within Japan, while others offer nationwide coverage. Understanding these variations helps you choose a plan that best fits your travel itinerary and data consumption.
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