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M
markopesevski_PI
Associate
May 7, 2026
Question

Setting PRODUCT_STATE to CLOSED without any password

  • May 7, 2026
  • 1 reply
  • 115 views

Hi there!

First of all, thank you for taking the time to read this!!! Any input is welcome.

I'm working on a project with a Nucleo-H563ZI board, and did something quite dumb: went and set the PRODUCT_STATE to CLOSED from within some dummy FW, and now I'm stuck. I can see the FW is running (LED task is blinking), but now I can't seem to access the device through Debug Authentication to bring it back to OPEN.

closed.png

When I click on Full Regression STM32CubeProgrammer complains about "Password file not found"

markopesevski_PI_0-1778180449326.png

Which is more than logical because I did not provide one (you can see on the first image). Since I didn't set any password, I tried passing in an empty file created by running:

touch empty.bin

And then, it complains with:

empty.bin.png

Is there some way to run a regression? Or do I now have a pretty brick?

Thanks in advance!!

1 reply

Aziz BRIGUI
Aziz BRIGUI
Technical Moderator
May 19, 2026

Hi @markopesevski_PI

Yes, sadly the chip is permanently locked since you need to provision a debug authentication password or certificate (When product state is provisioning) in order to be able to regress once product state is higher.

Aziz  

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