Failed -remote 39-flashing Lock Flag — Is Locked. Please Unlock It First 39--
sf probe sf protect unlock <addr> <len> Connect via JTAG/SWD and run:
stm32f1x unlock 0 During boot, interrupt into CFE and run: sf probe sf protect unlock <addr> <len> Connect
It sounds like you’re encountering an error message from a device, software tool, or embedded system (possibly a router, network switch, microcontroller programmer, or industrial equipment). sf probe sf protect unlock <
STM32_Programmer_CLI -c port=SWD -ob Unlock Or from the GUI: go to → disable read/write protection. Option B – Unlock from bootloader/U-Boot In U-Boot (common on routers/dev boards): or embedded system (possibly a router