: If your ROM folder contains a file with a similar name (like flash_all.bat ) but is missing flash_all_lock.bat
Mi Flash Tool can be finicky with long file paths or paths containing spaces and special characters.
Since the flash_all_lock.bat file is problematic and potentially dangerous (as it re-locks your Bootloader), the best and safest solution is to configure Mi Flash to use the standard flash_all.bat script. This will flash the ROM without locking your Bootloader. It's a smart practice for anyone who wants to keep their options open for future customizations. mi flash error cannot find file flashalllockbat
: You might have downloaded a Recovery ROM (usually a .zip file) instead of a Fastboot ROM (usually a .tgz or .tar file). Script files like flash_all_lock.bat only exist in Fastboot ROMs.
: Extract your ROM directly to the root of your drive (e.g., C:\miui_images\ ). Avoid putting it on the desktop or in folders with long names. : If your ROM folder contains a file
In Mi Flash Tool, click Select and navigate to the extracted firmware folder. Ensure you select the folder that contains the images directory and the .bat files.
I can give you more specific instructions based on your setup. It's a smart practice for anyone who wants
This is the most common cause. You might have downloaded the wrong type of ROM. Mi Flash requires a Fastboot ROM for flashing. Fastboot ROMs are usually compressed in a .tgz or .tar.gz file. In contrast, Recovery ROMs (usually .zip files) are flashed through the device's recovery mode, not Mi Flash. If you've downloaded a Recovery ROM, the flash_all_lock.bat file simply won't exist. Always verify you've downloaded the correct Fastboot ROM for your specific device model and region (e.g., Global, China, Europe).
Xiaomi distributes two types of firmware updates. Mi Flash works with Fastboot ROMs.
Mi Flash, like many older tools, can have trouble with file paths that include non-English characters or spaces. If your ROM folder is on your Desktop, or inside a folder with a Chinese name, it can cause the tool to fail to locate the files. It's always best practice to keep your ROM folder in a simple path, like the root of your C:\ drive (e.g., C:\ROM\ ) with a short, English-only name.