What is the fido key?

FIDO is a technical specification for online authentication of users. When you use it, you need to match a hardware device called a security key that you need to carry with you. Its appearance is usually similar to U disk and U shield, and its function is also similar to U shield. The FIDO security key function on Huawei mobile phone can replace the security key hardware device to some extent.

Smart phones (also known as smart phones, smart phones, English: smart phones) are the general names of those mobile phones whose computing power and functions are stronger than those of traditional functional phones. The most commonly used operating systems for smart phones are Symbian (delisted), WindowsPhone, Android, IOS and BlackBerryOS, but their application software is incompatible with each other. Smartphones can install third-party software like personal computers, so they are rich in functions and can be continuously expanded.

Smart phone refers to "a mobile phone with an independent operating system like a personal computer, where users can install programs provided by third-party service providers, such as software and games." Through such a program, the functions of mobile phones can be continuously expanded, and wireless network access can be realized through mobile communication networks. " Commonly used operating systems are: Symbian, WindowsMobile, Windowsphone, iOS, Linux (including Android, Maemo, MeeGo and WebOS), PalmOS and BlackBerryOS.