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fastboot - Online in the Cloud

Run fastboot in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command fastboot that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



fastboot - Android flashing and booting utility


fastboot [-w] [-u] [-s device] [-p product] [-c cmdline] [-i vendorId] [-b baseAddr] [-n
pageSize] [-S size[K|M|G]] command


fastboot is a command line tool for flashing an Android device, boot an Android device to
fastboot mode, etc..


-w Erase userdata and cache (and format if supported by partition type).

-u Do not erase partition before formatting.

-s device
Specify device serial number or path to device port.

-p product
Specify product name.

-c cmdline
Override kernel commandline.

-i vendorId
Specify a custom USB vendor ID.

-b baseAddr
Specify a custom kernel base address (default: 0x10000000).

-n pageSize
Specify the nand page size (default: 2048).

-S size[K|M|G]
Automatically sparse files greater than 'size'. 0 to disable.


fastboot update filename
Reflash device from update.zip.

fastboot flashall
Flash boot, system, vendor, and -- if found -- recovery.

fastboot flash partition [filename]
Write a file to a flash partition.

fastboot flashing lock
Locks the device. Prevents flashing.

fastboot flashing unlock
Unlocks the device. Allows flashing any partition except bootloader-related

fastboot flashing lock_critical
Prevents flashing bootloader-related partitions.

fastboot flashing unlock_critical
Enables flashing bootloader-related partitions.

fastboot flashing get_unlock_ability
Queries bootloader to see if the device is unlocked.

fastboot erase partition
Erase a flash partition.

fastboot format[:[fs type][:[size]] partition
Format a flash partition. Can override the fs type and/or size the bootloader

fastboot getvar variable
Display a bootloader variable.

fastboot boot kernel [ramdisk [second]]
Download and boot kernel.

fastboot flash:raw boot kernel [ramdisk [second]]
Create bootimage and flash it.

fastboot devices [-l]
List all connected devices (with device paths if -l is used).

fastboot continue
Continue with autoboot.

fastboot reboot [bootloader]
Reboot device [into bootloader].

fastboot reboot-bootloader
Reboot device into bootloader.

fastboot help
Show this help message.


The Android Open Source Project.

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