Check the filename of the file you downloaded.
The "cannot find file flash_all_lock.bat" error in Mi Flash Tool typically occurs because the tool is pointed to the wrong directory or the firmware package is incomplete or incorrect. This specific file is responsible for flashing the device and re-locking the bootloader. Root Causes mi flash error cannot find file flashalllockbat
Stick to simple English letters and numbers. 2. Verify the ROM Folder Structure You might have pointed the tool to the wrong folder level. Open your extracted ROM folder. Check the filename of the file you downloaded
Windows Security sometimes flags .bat files as potentially unsafe and quarantines them automatically without notification. Root Causes Stick to simple English letters and numbers
instead if you do not strictly need to relock your bootloader. Re-download the Fastboot ROM
: Move your extracted firmware folder to the root of your drive (e.g., ) to avoid long path errors. Check Firmware Type : Ensure you have downloaded a Fastboot ROM (usually a
: You likely have the "clean all and lock" option selected at the bottom of the Mi Flash Tool, but the firmware package you downloaded does not include the locking script. Incomplete Extraction : Firmware files for Xiaomi are often compressed in