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KKday x Gohub Japan unlimited eSIM branding with a cartoon bear mascot, traditional Japanese pagoda, and cherry blossoms, symbolizing seamless high-speed internet during Japan travel.

【 Super Sale 60% OFF】Japan Unlimited Data eSIM

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Sold 800+

No cancellation

Stay connected with a hassle-free eSIM for high-speed internet during your travels in Japan. Book through KKday and enjoy exclusive discounts. Enjoy a quick activation process for instant connectivity.

  • Stay connected with affordable, unlimited 4G data while traveling in Japan
  • Eliminate concerns about switching, installing, or misplacing SIM cards
  • Quickly activate the user-friendly eSIM for easy internet access
  • Receive an emailed user manual for effortless eSIM utilization
[5% App discount] Code: APP5OFF , HK: APP15HK
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Package Options

Product Info

— What You Can Expect —

Enjoy a seamless connection for your travels in Japan. Surf the web, post photos, and stay connected to your loved ones. Choose from a diverse range of plans, ranging from 3 to 20GB, with durations of up to 20 days. Take advantage of an easy redemption for a smooth trip.


— Important Info —

  • Please check if your device supports eSIM before making a purchase. Please refer to the eSIM Supported Product List and eSIM Compatibility Check Guide below
  • eSIM does not support locked products
  • eSIM with user manual will be emailed to you
  • The eSIM and guidelines will be sent to the customer's email within 6 hours
  • If you do not receive email having eSIM, kindly check spam/junk email or contact us via message


Please check your device is compatible with eSIM

English tutorial on how to check your phone's eSIM function, providing screenshots for Apple, Google, and Samsung devices, helping international travelers confirm device compatibility in Japan.

eSIM compatible devices

English version of Japan unlimited eSIM compatible devices list, clearly showing Apple, Samsung, Google, Huawei, and Motorola smartphone models for international travelers' reference.

eSIM installation (ios)

English eSIM installation instructions, with 9 detailed phone screenshots showing steps for settings and QR code scanning, ensuring smooth high-speed internet activation for international travelers in Japan.

Take Google Pixel 3a as an example on eSIM Android installation

English Android eSIM installation guide, with 6 illustrated steps showing 'Network & internet' settings and QR code scanning, ensuring smooth activation for international travelers in Japan.

SIM Card Specifications

Data Usage SpecificationsUnlimited data, 500MB, 1GB, 2GB, 3GB, 5GB, 10GB, 20GB
Transmission Specifications4G
Signal Coverage AreaJapanSignals can be affected in remote areas and rough terrain
Mobile CarrierRakuten/Docomo
Supported SizeseSIM
Hotspot SharingUnavailable
Supported Frequencies(4G)B1(2100 MHz)
ExcludesTexts, Voice calls
Not SupportedSIM-locked device, Carrier-customized device, Mobile hotspotDevices that do not support eSIM
Reminders

Validity period: Depends on service package

Calculate the validity period as per GMT+8: The SIM usage day starts from activation time until 1:00 am Vietnam time the next day

Purchase Notice

  • iPhones bought in China, Hong Kong, and Macau, as well as Samsung devices purchased in China, Hong Kong, Macao, and Taiwan, do not have eSIM support

— Cancellation Policy —

Not responsible for refunds in the following cases:

  • Product activation has expired
  • The product has been successfully activated
  • The location of use does not fully meet the broadcast reception conditions
  • Due to variations in mobile device settings, certain or all product features may not be accessible
  • The mobile device is SIM-locked to a specific network
  • Dissatisfaction with internet transmission speed may arise from factors such as the network operator's facilities at the location or the client computer line not meeting the necessary requirements
  • Other causes after the product has been activated
  • Customers do not initiate contact with the supplier when encountering issues with the product

Includes/Excludes

  • eSIM Japan
  • User manual
  • Other expenses not mentioned above

Reminders

  • The eSIM and guidelines will be sent to the customer's email within 6 hours

  • If you do not receive email having eSIM, please check spam/junk email or contact us via message

  • Please check whether your device supports eSIM before purchasing

  • iPhones bought in China, Hong Kong, and Macau, as well as Samsung devices purchased in China, Hong Kong, Macao, and Taiwan, do not have eSIM support

  • Please do not delete the eSIM after activation, as the eSIM QR code can only be used once. If the eSIM is deleted from the device, we cannot provide assistance

  • Install and activate the eSIM at the destination within 30 days of receiving it; otherwise, the eSIM will become invalid and unusable

  • The quality of communication may be affected by outside conditions; surrounding landforms (e.g. mountains), weather, obstruction by buildings, the number of users, or locations may affect the speed and quality of the internet

  • In accordance with the Fair Usage Policy, excessive video streaming or data consumption may cause slower or weaker signal reception

How to Use

  • The eSIM and guidelines will be sent to the customer's email within 6 hours
  • If you do not receive email having eSIM, kindly check spam/junk email or contact us via message
  • Please do not delete the eSIM after activation, as the eSIM QR code can only be used once. If the eSIM is deleted from the device, we cannot provide assistance

[eSIM] Guide to Check eSIM Compatibility with Phones

— IOS —

  • Method 1:
    Step 1: Go to Settings > Cellular
    Step 2: Check the SIM entry. If there is a line "Add eSIM", your device supports eSIM
  • Method 2:
    Step 1: Go to Settings > General > About
    Step 2: Check in the item Model name and compare with the list of eSIM supported devices
    Step 3: Check the Network lock section with the line "Unlimited SIM" and the available SIM section with IMEI2 number, then your device supports eSIM

— Android —

  • Method 1
    Step 1: Open the calling app and enter *#06#. Press call
    Step 2: Your IMEI number will pop up and pay attention to the EID information (if any), which is the information of the eSIM on your phone
  • Method 2:
    Step 1: Open Settings on your phone
    Step 2: In the search bar, enter “IMEI” and select IMEI Information. If this information is available, your device supports eSIM

Validity Period

  • The voucher must be used on the selected date and within operating hours; Invalid after expiration

Cancellation Policy

  • Once the order has been completed, it cannot be canceled, modified, or refunded
NOTE
  • 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

1. What makes an eSIM a convenient option for internet access in Japan?

An eSIM offers a highly convenient solution for staying connected during your travels in Japan. It eliminates the need to physically swap out SIM cards, preventing the risk of misplacing your home SIM. The activation process is typically quick and digital, often completed by scanning a QR code, allowing you to access high-speed internet almost instantly upon arrival. This hassle-free setup is perfect for travelers seeking a user-friendly and efficient way to ensure seamless connectivity throughout their trip without dealing with physical installations.

2. How much data is typically sufficient for a week-long trip to Japan?

The amount of data needed for a week in Japan varies greatly depending on your usage habits. For light users who primarily check emails and occasional navigation, 5GB might be sufficient. However, if you plan to frequently use navigation apps, stream videos, upload photos, make video calls, or rely heavily on social media, an unlimited data plan is highly recommended. This ensures you can enjoy all digital conveniences without worrying about running out of data or incurring unexpected charges, providing peace of mind throughout your journey.

3. Are eSIMs readily available and suitable for tourists visiting Japan?

Yes, eSIMs are widely available and very suitable for tourists visiting Japan. Many providers offer eSIM plans specifically designed for international travelers, providing high-speed internet access across major cities and popular tourist destinations. Their digital nature makes them easy to acquire and activate remotely, often before you even depart, ensuring you have internet connectivity as soon as you land. This offers a modern and efficient alternative to traditional physical SIM cards for your travel needs in Japan.

4. What factors should I consider when choosing an eSIM for Japan?

When selecting an eSIM for Japan, consider several key factors. First, evaluate your data needs; decide if you require unlimited data or a fixed GB plan based on your expected usage. Second, check the network coverage and speed offered by the provider to ensure reliable connectivity across your planned travel areas. Third, confirm your device's compatibility with eSIM technology. Lastly, look for a straightforward activation process and responsive customer support to ensure a smooth experience during your trip.

5. What is the activation process for an eSIM for Japan?

The activation process for an eSIM for Japan is designed to be straightforward and user-friendly. Typically, after purchasing, you will receive an email containing a QR code and a user manual. To activate, you simply scan the QR code with your compatible smartphone. Follow the on-screen prompts to add the cellular plan to your device's settings. Once activated, your device will connect to the local network, providing instant internet access. This digital method eliminates the need for physical installation, making it convenient for travelers.

6. How does an unlimited data eSIM enhance the internet experience during a trip to Japan?

An unlimited data eSIM significantly enhances your internet experience in Japan by providing constant, unrestricted access to high-speed 4G data. This means you can confidently use navigation apps, translate languages, research local attractions, share your experiences on social media, and stay connected with loved ones without ever worrying about data limits. It removes the stress of monitoring data consumption, ensuring uninterrupted connectivity for a truly seamless and enjoyable exploration of Japan's diverse offerings.

7. Which devices are compatible with eSIMs for use in Japan?

Most newer smartphone models from major brands like Apple (iPhone XS and later), Samsung (Galaxy S20 and later), Google (Pixel 3 and later), and some other manufacturers support eSIM technology. It's crucial to verify that your specific device model is eSIM-compatible and unlocked by your home carrier before purchasing an eSIM for use in Japan. This ensures a smooth setup and reliable connectivity during your travels, as device compatibility is essential for eSIM functionality.

8. What kind of network coverage and internet speed can I expect with an eSIM in Japan?

With an eSIM in Japan, you can generally expect excellent 4G network coverage and high-speed internet, especially in major cities like Tokyo, Osaka, and Kyoto, as well as popular tourist areas. Most eSIM providers leverage the extensive infrastructure of local major carriers, ensuring reliable connectivity for browsing, streaming, and navigation. While speeds might vary slightly in very remote or mountainous regions, you can anticipate consistent and fast internet performance in most areas you'll visit, supporting all your travel needs.

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