A: flash_all_lock.bat will flash the ROM and re-lock your bootloader . Only use this if you are certain you want the bootloader locked again, as you may need to unlock it again later for any future modifications. It's generally recommended to use flash_all.bat (keep unlocked) unless you have a specific reason not to.
Flashing a fastboot ROM on a Xiaomi, Redmi, or POCO device using the Mi Flash Tool is usually a straightforward process. However, encountering the error can bring your progress to a sudden halt.
Mi Flash often crashes or fails to read paths that are too long or contain special characters, spaces, or non-English text. Cut your extracted ROM folder. mi flash error cannot find file flashalllockbat
This error is more common than you think, but the solution is rarely explained clearly. In this long-form guide, we will break down why this error happens, what the missing file actually does, and step-by-step methods to resolve the “Mi Flash error cannot find file flashalllockbat” forever.
: Move the extracted ROM folder to the root of your drive (e.g., C:\XiaomiROM\ A: flash_all_lock
2. Properly Extract the Archive (The Double-Extraction Trick)
Xiaomi distributes two types of ROMs. You must ensure you downloaded the correct version. Flashing a fastboot ROM on a Xiaomi, Redmi,
A corrupted Mi Flash Tool installation or faulty drivers can cause various errors.
Sometimes, decompression software like WinRAR glitches during the extraction of heavy .tgz files, resulting in missing files or a broken .bat script. Download and install the free tool . Right-click your downloaded .tgz or .tar ROM file. Select 7-Zip > Extract Here .