Mobile phone companies Wi-Fi for wireless LAN is open for free October 13th 17:57
Mobile phone companies are open to Wi-Fi for wireless LANs free of charge in Nagano Prefecture, Niigata Prefecture, Yamanashi Prefecture, Shizuoka Prefecture, Fukushima Prefecture, and Miyagi Prefecture in addition to Tokyo and 6 other prefectures in Tokyo. The NTT docomo is also open for free in Iwate Prefecture.
If you bring your smartphone or PC to the place where Wi-Fi is installed and set the network name to "00000 JAPAN", you can use the Internet for free regardless of the contracted mobile company.
However, security measures such as communication encryption have not been taken in order to ensure convenience for anyone to use in an emergency, so when using it, we are calling for confirmation of safety and collecting information in an emergency. .