CFE> nvram set flash_lock=0 CFE> nvram commit CFE> reboot If you can share you’re using (STM32, ESP32, router model, etc.), I can give you the exact unlock command.
sf probe sf protect unlock <addr> <len> Connect via JTAG/SWD and run: CFE> nvram set flash_lock=0 CFE> nvram commit CFE>
Failed - Remote 39: Flashing lock flag is locked. Please unlock it first. Fix in CFE: nvram set flash_lock=0 CFE>
stm32f1x unlock 0 During boot, interrupt into CFE and run: nvram commit CFE>