: If your ROM folder contains a script with a different name (like windows_fastboot_first_install.bat ), you can try renaming it to flash_all_lock.bat to satisfy the tool's requirement. Alternative: Flash via Fastboot Manually
“I tried to flash my Redmi Note 10 Pro (sweet) from MIUI 13 to 14. Mi Flash Tool kept saying ‘cannot find file flash_all_lock.bat’. I downloaded three times from different sites. Finally, I opened the ROM folder and saw that ‘flash_all_lock.bat’ was not there. I copied it from an old MIUI 12 ROM for the same device. The flash worked, but my phone entered a bootloop because anti-rollback was triggered. I had to reflash with ‘clean all’ mode to recover.” mi flash error cannot find file flashalllockbat
Move the extracted firmware folder directly to the root of your drive (e.g., C:\xiaomi_firmware\ : If your ROM folder contains a script
You selected the wrong folder in the tool. I downloaded three times from different sites
Flashing a fastboot ROM on a Xiaomi, Redmi, or POCO device is the standard way to unbrick a phone, upgrade firmware, or revert to stock software. However, the process frequently hits a roadblock with the notorious Mi Flash Tool error: .
The Mi Flash Tool triggers this error because it cannot locate the specific script file required to execute the flashing process. The application looks for files like flash_all.bat , flash_all_except_data.bat , or flash_all_lock.bat inside the directory you selected. The three root causes for this failure include: