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July 18, 2026
Question

Firmware update fail for Nucleo H753ZI STM. Is there a recovery mode

  • July 18, 2026
  • 0 replies
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I purchased a brand new Nucleo board. plugged it into my computer, USB device detected, please update firmware; yes; then the process stopped “Error 33” Now my BRAND NEW  nucleo board seems bricked. 

 

Is there any recovery mode? 

 

I have tried several times on STM32 Cube Programmer; The board is detected, 

 

 

 

 

 

Does anyone have any suggestions? - This does not bode well for my first introduction to ST. What a flaky system.

 

I have changed cables etc, several different combinations, changed USB ports, rebooted, all of the standard stuff. 

 

It seems as though the Nucleo board’s serial number is being detected. 

 

The firmware update process starts, runs for a few seconds, several red LED flashes, then halts and gives error 33.