| Your goal | What to do | |-----------|-------------| | Flash without locking | Use flash_all.bat manually | | Flash and lock | Download proper Fastboot ROM with lock script | | Avoid error | Don’t rely on Mi Flash Tool’s auto-detection |
Switch from “Clean all and lock” to “Clean all” and continue flashing. If you must lock the bootloader, find an official Fastboot ROM that explicitly includes flash_all_lock.bat and verify compatibility with your device’s anti-rollback index. mi flash error cannot find file flashalllockbat
Here’s a complete explanation of the — why it happens and how to fix it. | Your goal | What to do |
This error message () typically occurs when using Mi Flash Tool to flash a Fastboot ROM on a Xiaomi, Redmi, or POCO device. It means the flashing tool cannot locate the specific script file required to lock the bootloader after flashing. This error message () typically occurs when using
If you have "clean all and lock" selected, but the ROM folder you downloaded doesn't contain the flash_all_lock.bat file (common in some custom or older Fastboot ROMs), the tool will throw an error.