The easiest and quickest fix applies if you never intended to lock your bootloader in the first place. By default, newer versions of the Mi Flash Tool automatically select the option at the bottom right of the window. If your specific ROM folder doesn't have that file, or if you want to keep your bootloader unlocked, you just need to change this setting. Open your Mi Flash Tool . Look at the bottom right corner of the application window.
Before diving into the solutions, it helps to understand the root causes:
You accidentally downloaded a Recovery ROM (a .zip file) instead of a Fastboot ROM (a .tgz or .tar file). The Mi Flash Tool only works with Fastboot ROMs.
Note: Sometimes you have to extract the file twice (first the .tgz to a .tar , then the .tar to the final folder). 💡 Pro Tip 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.
Mi Flash Tool often fails if there are spaces or special characters in the folder path.
In the tool, click and point it directly to this main folder. Do not select the "images" folder itself. 3. Change Your Flashing Selection The easiest and quickest fix applies if you
If you select but the tool throws the "cannot find file" error, it is due to one of three reasons:
This guide will walk you through the most common causes and provide step-by-step solutions to get you back on track.
Sometimes the 'flash_all_lock.bat' error is just the first in a series of issues. A related problem is the update sparse crc list failed error, which can occur when downgrading from MIUI 13 or 14 to an older version. If you face this, there's a known fix: Open your Mi Flash Tool
Try the following solutions to resolve the issue:
At the bottom of the Mi Flash Tool window, there are three options: Save user data Clean all and lock
(meant for flashing via the phone's recovery menu) instead of the required Fastboot ROM Invalid File Path
If your flashing process just stopped with this message, do not panic. Your device is not permanently bricked. This error is almost always caused by incorrect file extraction, mismatched directory structures, or choosing the wrong flashing option.
Older versions of Mi Flash Tool often require the flashall_lock.bat file by default or have bugs in their pathfinding logic. Newer ROMs might name the file slightly differently or structure the scripts differently.