Flashing Lock Flag Is Locked Please Unlock It First Full [2021] -
Ensure you have the latest ADB and Fastboot drivers installed on your PC. Step 2: The Official Unlock Method
If you are seeing the message on your screen, you are likely trying to modify the software on your smartphone—specifically a Xiaomi, Redmi, or POCO device. This error typically appears in tools like MiFlash or during a Fastboot operation. What Does This Error Mean? In simple terms, your phone’s Bootloader is locked . flashing lock flag is locked please unlock it first full
Ensure the firmware you are trying to flash matches your device region (e.g., don't flash a China ROM on a Global device unless the bootloader is fully unlocked). Ensure you have the latest ADB and Fastboot
Manufacturers lock the bootloader to prevent unauthorized software changes and to protect your data if the device is stolen. The "Flashing Lock Flag" is a security check; as long as it is set to "Locked," the system will reject any attempt to flash (install) new firmware, custom ROMs, or recovery files. Step 1: Check Your Connection What Does This Error Mean
Newer USB 3.0/3.1 ports (blue or red) sometimes cause timing issues with Fastboot. Try a USB 2.0 port if available.
