Japan KDDI data roaming eSIM card｜1/2GB high-speed network + unlimited traffic per day
- Use Japanese local operator KDDI network
- Suitable for short term tourists
- 1/2GB high-speed traffic + unlimited low-speed network per day
- The data card does not have a phone number, eliminating telecommunications harassment.
- Scan the eSIM code to install and use it immediately
- Supports multiple iPhone and Android phones
- Special note: Please contact customer service before booking to confirm whether the device supports the eSIM function. If the device cannot be used because it does not support eSIM, no refund will be given
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.
—————— Pre-purchase information——————
In order to ensure that you can use this eSIM product smoothly, please read the following information carefully before placing an order:
- Please make sure your mobile phone and its operating system support the eSIM function before purchasing. No refunds will be issued if the order is canceled due to device incompatibility.
- The Chinese mainland version of the smartphone does not contain the eSIM module. Users of mainland mobile phones should be careful when placing orders.
- Check whether the eSIM module is installed on the phone: dialing interface *#06# → If there is an EID in the device information, you can use eSIM
- This product is a pure data card and does not include phone and text messaging functions.
- The validity period of eSIM is calculated from the time of installation. Please install it on the day of arrival or when needed.
—————— eSIM Instructions for Use——————
- Installing eSIM requires an Internet connection. Please confirm that there is available WiFi or available mobile data in the environment before installation.
- Please do not use your camera or other APP to scan the QR code. This must be done through the "Network Settings" of your phone. Please refer to the icon.
- Each QR code can only be scanned and installed once. After binding, the device cannot be changed or deleted. Once deleted, it cannot be rescanned and installed and needs to be purchased again.
- After arriving at the destination and completing the installation, the eSIM package service starts timing.
- Package days are calculated every 24 hours from activation.
Please confirm that your device is suitable for eSIM before purchasing. This product is non-refundable after sending the eSIM QR code.
eSIM installation and activation process
How to enter the enabler code manually
SIM Card Specifications
| Data Usage Specifications | 10GB, 20GB |
| Transmission Specifications | 4G |
| Signal Coverage Area | Japan |
| Mobile Carrier | KDDI |
| Supported Sizes | eSIM |
| Hotspot Sharing | Available |
| Supported Frequencies(4G) | B1（2100 MHz） |
| Excludes | Voice calls, Texts |
| Not Supported | Contract card locking machine, Wi-Fi sharer, modification machine, translator, mobile phone without eSIM function |
Purchase Notice
- Please make sure your phone and its operating system support the eSIM function before purchasing
- iOS version 12.1 or higher is required; please note that iPhones sold in mainland China do not support eSIM. In Hong Kong and Macau, only iPhone 13 mini, iPhone 12 mini, iPhone SE 2020 and iPhone XS have eSIM functionality.
- The versions of Samsung mobile phones vary from country to country. Samsung mobile phones purchased in Taiwan do not support eSIM. In other regions, please check with Samsung’s official website first.
- The eSIM QR code will be automatically sent to the email address provided by the customer after the order is successfully placed. Please provide a correct and valid email address when placing an order
---24 hours customer service---
Online customer service (click the live chat icon in the lower right corner)
Hotline: +85239756662
Customer service email: cs@cmlink.com
Reminders
Before purchasing, please make sure your phone and its operating system support the eSIM function
iOS requires version 12.1 or higher; please note that iPhones sold in mainland China do not support eSIM. In Hong Kong and Macau, only iPhone 13 mini, iPhone 12 mini, iPhone SE 2020 and iPhone XS have eSIM functionality
The versions of Samsung mobile phones vary from country to country. Samsung mobile phones purchased in Taiwan do not support eSIM. In other regions, please check with Samsung’s official website first.
The eSIM QR code will be automatically sent to the email address you provided after the order is successfully placed. Please provide a correct and valid email address when placing an order
After receiving the eSIM QR code, please follow the instructions in the product description to install and use it. If you encounter problems during the process, please contact customer service
Online customer service: https://global.cmlink.com/esim?LT=en (click the live chat icon in the lower right corner) Hotline: +85239756662 Customer service email: cs@cmlink.com
How to Use
1. How to download and use eSIM after purchasing it?
After you purchase, the system will send the QR code for downloading the eSIM to the email address of your order.
2. Can I download the eSIM profile on different devices?
No, one eSIM profile can only be downloaded to one device for use.
3. Why can’t I “join the mobile network plan” after scanning the eSIM QR code on my device?
Please make sure your device is connected to WiFi and try again.
4. How to switch data to eSIM?
Please check if the cellular number is turned on, select "Cellular Network - Cellular Number - Enable this number". If you still have problems, please contact customer service.
5. How to check ICCID?
If the cellular number is turned on, you can go to "General - About This Device - ESIM" to view the ICCID.
6. I have successfully activated the eSIM service, but the applicable device cannot connect to the mobile network. What should I do?
Please shut down and restart your device and update the iOS version before trying again.
Validity Period
- Valid for use within 6month(s) from the date of issue; Invalid after expiration
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
The Japan KDDI eSIM utilizes the local KDDI operator network, which is known for its extensive coverage and stable performance throughout Japan. This ensures reliable internet access in most major cities, tourist areas, and even some rural regions. Users can expect high-speed connectivity for browsing, streaming, and navigation, making it suitable for short-term tourists who need consistent data access.
An eSIM offers several advantages for travelers to Japan. It provides immediate internet access upon arrival by simply scanning a QR code, eliminating the need to physically swap SIM cards. It also allows you to keep your original SIM card active for calls or SMS while using the eSIM for data. The Japan KDDI eSIM uses a reliable local network and ensures continuous connectivity throughout your trip without telecommunications harassment.
The Japan KDDI eSIM offers daily high-speed data allowances of either 1GB or 2GB. Once you consume your selected high-speed data for the day, your network speed will be reduced to an unlimited low-speed connection. This ensures you maintain basic internet connectivity for essential tasks like messaging and email until your high-speed allowance refreshes the following day.
Installing the Japan KDDI eSIM is straightforward. After purchasing, you will receive an eSIM QR code. Simply go to your phone's settings, select "Add Cellular Plan" or "Add eSIM," and then scan the provided QR code. Follow the on-screen prompts to complete the installation. Activation typically occurs automatically upon arrival in Japan when your device connects to the KDDI network. Ensure your device is connected to Wi-Fi during the installation process.
The Japan KDDI eSIM supports a wide range of modern iPhone and Android phones that have eSIM functionality. Generally, iPhone models XS, XR, and newer, along with various recent Android flagships from Samsung, Google Pixel, and others, are compatible. It's crucial to confirm your specific device model supports eSIM before purchasing to ensure seamless usage.
No, you do not need to turn off your primary mobile line when using the Japan KDDI eSIM. Most eSIM-compatible phones support dual SIM functionality, allowing you to have both your physical SIM (primary line) and the eSIM active simultaneously. You can set the eSIM as your preferred line for cellular data while keeping your primary line active for calls and texts from your home country, if desired.
No, the Japan KDDI data roaming eSIM is designed purely for internet data access and does not come with a local Japanese phone number. This means you will not be able to make traditional calls or send SMS messages using a local number. However, you can still use internet-based communication apps like WhatsApp, Line, or Messenger for calls and texts, utilizing the eSIM's data connection.
To choose the appropriate daily data allowance (1GB or 2GB), consider your typical internet usage. If you mainly use maps, messaging apps, and light browsing, 1GB per day might suffice. For heavy users who frequently stream videos, upload photos, or use navigation extensively, 2GB per day is recommended. Also, consider the total length of your trip to ensure your plan adequately covers your entire stay in Japan.
Get Help
