Fastboot is only half of the equation, a target device will also require a bootloader that can connect to a network and listen for fastboot commands.

Do this if Fastboot not working or detecting your Android device on Windows 11/10. Fastboot binary is a protocol that is used for sending commands to your phone over USB.

Windows/Mac/Linux: Google’s ADB and fastboot are incredibly powerful command line tools for customizing your Android phone. Up until now, these tiny tools have been bundled in the gigantic ...

You can get the platform tools for Windows, Linux, or Mac direct from Google's servers. You get a ZIP file containing the platform tools folder with ADB, fastboot, and a few other tools.

Thanks to the work of two Googlers, there are now direct links to the approximately 3.5MB platform-tools folder that includes adb, fastboot, and several other utilities.

Google has made ADB and fastboot available as a standalone package, meaning users no longer need to download them with Android Studio or the Android SDK.