Locate and toggle it ON . Note: You may be prompted to enter your device lock screen PIN or password. Locate USB Debugging and toggle it ON .
Xiaomi implements a server-side lock flag that requires a specialized tool. Download the official to your PC.
Download the official Android SDK Platform-Tools package for your specific operating system. flashing lock flag is locked please unlock it first full
Before any fastboot commands can work, you must manually allow bootloader unlocking on the device. If the "OEM Unlocking" toggle is disabled or grayed out in the , the device will return the error message.
Most frequently, this error appears on Android smartphones or tablets when users attempt to modify the system software. If you try to flash a custom ROM, unlock the bootloader, or install a new recovery image, you might see a flashing padlock icon with the text. Locate and toggle it ON
, preventing any manual changes to the system partitions (like flashing a custom recovery, ROM, or rooting). How to Unlock the Flashing Flag
: A software preference inside Android that gives permission to change the hardware security state. Xiaomi implements a server-side lock flag that requires
Corporate or school-issued laptops often have a BIOS lock. When you try to boot from a USB drive or change boot order, the system shows a flashing lock flag because the firmware is locked. The word "full" here may refer to "full access" being denied.
Lock and unlock the bootloader | Android Open Source Project