If the command doesn’t work, check:
Use a USB 2.0 port if possible. USB 3.0/3.1 ports (often blue or red) sometimes have compatibility issues with fastboot protocols. flashing lock flag is locked. please unlock it first!
The "flashing lock flag is locked" message isn't a bug—it’s a safety feature. By in settings and using the official manufacturer unlock process , you can bypass this hurdle and get back to customizing your device. If the command doesn’t work, check: Use a USB 2
: You are likely trying to run a fastboot command while the device is in a state that does not allow modifications . Common Causes & Solutions If the command doesn’t work