Power users rarely run the script as-is. They modify it.
Verifies the device is connected in Fastboot mode and that the bootloader is unlocked. Variable Definitions: Sets paths for partition names like Wipe Command (Optional): Includes a flag (e.g., fastboot flashall -w ) to perform a factory reset during the flash. Partition Flashing: A sequence of commands that sends specific files to their corresponding partitions (e.g., fastboot flash boot boot.img fastboot reboot command to start the device back into the operating system. Sailfish OS Forum Typical Structure
You’ve unlocked your bootloader, installed a custom ROM (LineageOS, GrapheneOS), and now you want to go back to the original manufacturer software. Running flash-all.bat wipes everything and reinstalls a clean, untouched OS. fastboot flash-all bat
fastboot flash-all.bat
The -w flag ensures all personal data is erased from the internal storage and system partitions, making data recovery extremely difficult. Power users rarely run the script as-is
When you download official factory images or stock firmware, the zip file typically contains:
echo WARNING: About to wipe all data. Press Ctrl+C to abort. pause fastboot -w update image-device-name.zip Variable Definitions: Sets paths for partition names like
To update your phone without losing data, edit flash-all.bat in Notepad. Find the line containing fastboot -w update . Remove the -w so it becomes fastboot update . Save and run. This can cause system instability if major partition changes exist between versions.
Do disconnect the USB cable or power off the PC. The script will: