OPPO Kernel Craftsman
Jul 23, 2021 · Mobile Development
Fastboot Protocol and Fastbootd Process on Android Devices
Fastbootd, introduced in Android Q, runs inside recovery to implement the full fastboot flashing protocol—supporting dynamic super‑partition management, USB FunctionFS communication, and OEM commands—by using source files in system/core/fastboot and recovery, triggered via adb or bootloader reboot‑fastboot.
AndroidFastbootFastbootd
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