dear support, when i use STLINK-UTILITY to change the option byte, it shows the error that "Read/Write protected zone for Bank 1 cant be reduced Please enter a correct value".

俊孙.1 · ‎2023-03-28

I want to change the boot0 configuration through stlink utility.

so i set the option Bytes like the figure after connect to the board.

but some error happened when i click the apply, like following

does anybody know how the solve this problem, please tell me and thanks very much.

Amel NASRI · ‎2023-04-10

Hi,

Could you please use STM32CubeProgrammer instead of ST-Link Utility?

-Amel

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