Japan | 5G SIM Card (KDDI/Softbank) | Buy One Get One Free
- Japan's SIM card network offers 5G/4G services with unlimited data and no speed reduction.
- This SIM card automatically connects to the local KDDI or Softbank network, providing wide signal coverage.
- The SIM card plan offers local mailing service in Hong Kong, making it convenient for travelers to prepare before their trip, and includes a limited-time buy-one-get-one-free offer.
- For more internet access deals, please refer to the WiFi & SIM Card section .
Package Options
Product Info
SIM Card Specifications
| Data Usage Specifications | Unlimited data |
| Transmission Specifications | 5G/4G |
| Signal Coverage Area | Japan |
| Mobile Carrier | KDDI/Softbank |
| Supported Sizes | 3-in-1 SIM |
| Hotspot Sharing | Unavailable |
| Supported Frequencies(4G) | B1（2100 MHz） |
| Top-Up Availability | Top-up unavailable |
| Excludes | Voice calls, Texts |
| Not Supported | SIM-locked device, Carrier-customized device, Mobile hotspot |
Important Info
Includes/Excludes
Reminders
Shipping to Hong Kong: Hong Kong surface mail takes about 4-6 working days. Please book in advance to avoid the network card not arriving as scheduled.
Please activate when you arrive at your destination. Please turn on data roaming in your phone settings before activating.
Please activate before the activation date, otherwise it will be invalid.
The effective use day of this plan is based on 24 hours, calculated from the start time
Most mobile phones will automatically set the APN, and you can use it by inserting the SIM card.
This card only includes Internet data services and does not support voice calls and text messages. However, you can use third-party applications (such as WhatsApp, Line, etc.) to make voice calls through mobile data
How to Use
Activation method and setting (How To Use & Setting):
Most mobile phones will automatically set the APN.
Just replace the SIM card and turn on data roaming to use it.
However, if manual operation is required, you can also refer to the following steps:
Data service access point setting (APN Setting)
IOS - Go to "Settings"> Click "Mobile Network"> Click "Mobile Data Options">
Click "Mobile Data Network"> In the APN field under [Mobile Data], enter "cmhk"
Android - Go to "Settings" > Click "Mobile Networks" > Click "Access Point Name [APN]" >
Click [Add APN] and enter "cmhk" in the [Name and APN] field.
**If you need assistance, please contact technical support
Note: Most mobile phones will automatically set the APN, which can be used by inserting the SIM card. If it cannot be used, please first check whether the access point of the mobile phone, the selected network operator is correct and whether data roaming is turned on. There are many reasons why the SIM card cannot be used, and it is not necessarily a problem with the SIM card itself, so please contact our technical support first. Technical support contact information is printed on the SIM card packaging. If you have any complaints after returning to Hong Kong without contacting us, we will not be processed or refunded. Please keep the complete SIM card and packaging for future inquiries.
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
When selecting a Japan 5G SIM card, prioritize options that offer unlimited high-speed data (5G/4G) to cover all your usage needs. Ensure it connects to reliable local networks like KDDI or Softbank for wide coverage. Also, consider the convenience of receiving the SIM card before your departure, such as through a local mailing service.
You can conveniently purchase this 5G SIM card through KKday. Booking via KKday offers the advantage of arranging local mailing service in Hong Kong, allowing you to receive the SIM card directly before your trip. This ensures you are prepared with internet access as soon as you arrive in Japan, saving time and hassle upon arrival.
For most travelers, especially those who rely on navigation, social media, messaging, and occasional video streaming, an unlimited data plan is highly recommended to avoid any usage anxiety. This 5G SIM card offers unlimited high-speed 5G/4G data without speed reduction, which is ideal for comprehensive use during your trip.
Upon arrival in Japan, simply insert the 5G SIM card into your unlocked phone. The SIM card is designed to automatically connect to the local KDDI or Softbank network. You may need to enable mobile data and data roaming in your phone settings, though no complex registration or activation steps are usually required, making it easy to get online quickly.
This 5G SIM card for Japan utilizes either the KDDI or Softbank network. Both are major telecommunication providers in Japan, offering extensive 5G/4G signal coverage across urban areas, popular tourist destinations, and most rural regions. This ensures wide and reliable internet access throughout your travels.
Yes, this 5G SIM card provides unlimited high-speed 5G/4G internet access throughout your usage period in Japan. It is specifically designed without any speed reduction policies, allowing you to enjoy consistent fast internet for all your online activities, from navigation to streaming, without worrying about throttling.
While eSIMs are a convenient digital alternative, this physical 5G SIM card is an excellent choice for broad device compatibility and straightforward setup. It offers dedicated 5G/4G network access via KDDI or Softbank, ensuring wide coverage. The choice depends on your phone's eSIM support and your preference for a physical card.
This 5G SIM card product includes a convenient local mailing service in Hong Kong. After your purchase, the SIM card will be delivered directly to your designated address in Hong Kong. This allows you to receive your SIM card in advance and be fully prepared for internet connectivity before you even depart for Japan.
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