Free Wi-Fi

SEIBU FREE Wi-Fi is provided!


This service makes it easy for you to connect to the Internet from a smartphone or other communication terminal within the Wi-Fi area, and is available in six languages (English, Chinese [traditional and simplified], Thai, Korean, and Japanese). To use, you just register your email address from the top page.

Available on the following trains

Red Arrow Limited Express

40000 Series(S-TRAIN)

How to use

1Turn on "Wi-Fi" from SETTINGS. Then select SSID “SEIBU FREE Wi-Fi”.

2Start your browser to open any page. A top page will be displayed. Select your language and tap "Connect to Internet".

3Tap "User Registration".

4After confirming user registration, input your e mail address. then tap "Confirm".

5Check your input contents, then tap "Registration" .

6Check the security level, then tap "Accept". You can use the Internet.

Stations that offer Wi-Fi

Service details

Service name


Supported languages

English, Chinese [traditional and simplified], Thai, Korean, and Japanese (6 languages total)

Summary of Japan Connected-free Wi-Fi

With approximately 140,000 access points* at major airports, major train stations, tourist facilities, and other locations throughout Japan where NTTBP offers a free Wi-Fi environment, this Android/iOS compatible application enables users to promptly search for access points with a single operation and easily connect to free Wi-Fi once in such an area. Once you have registered to use the application, you can conveniently use free Wi-Fi without having to log in for each area. For details on how to use it, see the company's platform page. *As of end of January 2016

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