| Command | Description | |---------|-------------| | fastboot flash <partition> <image.img> | Write an image to a partition (e.g., fastboot flash boot boot.img ). | | fastboot flashall | Flash all images from the current directory (requires android-info.txt or flash-all.sh ). | | fastboot erase <partition> | Erase the content of a partition (e.g., fastboot erase userdata ). | | fastboot update <ota.zip> | Flash an OTA package or full firmware zip (reboots automatically). |
: Lists all connected devices currently in fastboot mode. fastboot command
Fastboot is an essential low‑level tool for Android development, repair, and customization. Its command set enables partition management, boot testing, and full system restoration without relying on a functional OS. However, correct usage requires an unlocked bootloader, proper USB connectivity, and careful partition targeting. When standard recovery methods fail, Fastboot remains the last line of software‑level access before JTAG or ISP hardware tools. | | fastboot update <ota
fastboot devices fastboot getvar all fastboot flash boot boot.img fastboot flash recovery recovery.img fastboot erase userdata fastboot reboot fastboot oem unlock fastboot flashing lock fastboot boot twrp.img fastboot set_active _a Its command set enables partition management, boot testing,
Fastboot allows you to modify the device's partitions directly from a computer.