| Data Usage Specifications | 1GB, 2GB |
| Transmission Specifications | 5G/4G |
| Signal Coverage Area | Japan, the signal is weak in remote areas, mountainous areas, basements and other areas |
| Mobile Carrier | Softbank |
| Supported Sizes | 3-in-1 SIM |
| Hotspot Sharing | Available |
| Supported Frequencies(4G) | B3(1800 MHz), B2(1900 MHz), B1(2100 MHz) |
| Top-Up Availability | Top-up unavailable |
| Excludes | Voice calls, Texts |
| Not Supported | SIM-locked device, Carrier-customized device, Mobile hotspot, Samsung A53, T-Mobile 4G network mobile phones, mobile phone devices manufactured before 2016, copycat phones, Asia-Pacific phones, customized 3G mobile phones or tablets bound by lock codes from foreign telecommunications companies, customized phones, card locking machines, Counterfeit phones (contracted phones: cooperation with telecom operators), tablets, sharing devices, SHARP phones, Nut phones, Sugar phones, Samsung Galaxy J5 J7 series, HTC U11 series |
| Reminders | ・Hotspot sharing: no more than 2 people. ・After the SIM card is opened, it must be used within a limited period and cannot be recharged or reused. ・Before inserting this card, please confirm with your current domestic telecom operator whether the Country Lock on your mobile phone has been released. |
Network speed will vary depending on factors such as terrain, climate, building shelter, number of users, location, etc. If reception is unstable, please be sure to contact technical customer service.
iPhone 6 and above all support 4G networks, while other iPhones and some old Android phones may only support 2G networks.
In order to maintain the quality of Internet connections and the principle of fair use, telecommunications companies around the world sometimes implement traffic control for customers who use a large amount of Internet traffic in a short period of time. This may result in the inability to access the Internet or reduce the Internet speed. To ensure normal use , please try to avoid watching videos for a long time or updating software and other tools that consume a lot of data.
To ensure normal use, please try to avoid watching videos for a long time or updating software and other tools that consume a lot of data.
If the Fair Usage Policy (FUP) cannot be used, please contact technical customer service for assistance.
Opening hours: Monday to Friday 10:00am - 6:00pm (lunch time: 1:00pm-2:00pm); closed on weekends and public holidays
- Card opening information -
Foreign visitors can easily purchase a Japan SIM card. Typically, you'll need a valid passport for identification when purchasing from official vendors. Many travelers find it convenient to purchase a data-only SIM card online before their trip. For instance, booking through KKday allows you to arrange for convenient local mailing or pick-up services in Hong Kong, streamlining your preparation before even arriving in Japan, ensuring you have internet connectivity from the moment you land.
A Japan SIM card significantly enhances your travel experience by ensuring continuous connectivity. It's highly beneficial for real-time navigation, checking public transport schedules, translating on the go, staying in touch with travel companions or family, and quickly researching local attractions or dining options. While Wi-Fi is available in some public areas, a personal SIM card provides reliable 4G high-speed service across Japan, offering independence and peace of mind.
Generally, a Japan SIM card can be more cost-effective for solo travelers or those with minimal device sharing needs, as it provides data directly to one smartphone. Pocket WiFi devices are often a better value for groups or families needing to connect multiple devices simultaneously. The overall cost-effectiveness depends on your specific data requirements, the number of devices you intend to connect, and the duration of your trip. SIM cards offer simplicity for single users, while pocket WiFi provides a shared internet hub.
For a 3-week trip to Japan, data recommendations vary based on usage habits. A moderate user who primarily relies on navigation, messaging, and occasional social media might find 10-15GB sufficient. Heavy users who stream videos, upload photos frequently, or use video calls might need 20GB or more. Unlimited data plans are also available for maximum peace of mind. Consider your planned activities and how much you anticipate using data for apps like maps, translation, and communication.
When selecting a high-speed data SIM card for Japan, consider several factors. First, evaluate your data needs based on your travel duration and intended usage. Second, check the network coverage and speed to ensure reliable 4G service throughout Japan. Third, verify if it supports hotspot sharing if you plan to connect other devices. Finally, review the convenience of pick-up or delivery options, such as local services in Hong Kong, to ensure a smooth start to your connectivity in Japan.
Yes, many Japan SIM cards designed for travelers, including high-speed data cards, support hotspot sharing. This feature allows you to connect other devices, like a tablet or a second phone, to your SIM-enabled smartphone's internet connection. This can be particularly useful for sharing connectivity with travel companions or for using devices that don't have their own SIM card slot, utilizing the 4G high-speed service provided by the SIM card across Japan.
For convenience, you have several options to receive your Japan SIM card before your trip. Many providers, including those found on KKday, offer local mailing services to your address. Alternatively, you can opt for convenient pick-up services in Hong Kong. These methods ensure you have your SIM card ready before departure, allowing for immediate activation and internet access upon arrival in Japan, making your travel experience seamless.
A high-speed Japan SIM card, especially those utilizing major local networks, generally offers reliable 4G service across most regions of Japan, including major cities, tourist areas, and many rural locations. While coverage can vary slightly in very remote mountainous areas or isolated islands, the service is robust for typical travel routes. This allows for consistent internet access, supporting activities like navigation and communication throughout your journey in Japan.