Mi Flash Error Cannot Find File Flashalllockbat ~upd~

Troubleshooting: "mi flash error cannot find file flash_all_lock.bat"

Summary

This error occurs when Xiaomi Mi Flash (or a related fastboot flashing process) cannot locate the script file named flash_all_lock.bat (or flash_all_lock) required to relock the bootloader or flash a fastboot ROM. Causes include wrong ROM folder structure, incorrect ROM package type, incomplete/unzipped ROM, misnamed files, or using the wrong flashing tool/version.

What if you actually want to lock the bootloader?

Then you must have a ROM that contains flash_all_lock.bat.
If your current ROM doesn’t have it, download a different version (Global Stable or China Stable often include it). mi flash error cannot find file flashalllockbat

Report: MI Flash Error "Cannot Find File flashalllock.bat" The "cannot find file flash_all_lock

Part 7: Real User Case Study – How One User Fixed It

The "cannot find file flash_all_lock.bat" error is a common roadblock when using the Mi Flash Tool to unbrick or update Xiaomi devices. It essentially means the software is looking for a specific instruction script that isn't where it expects it to be. Why the Error Occurs incorrect ROM package type