hi @Hans_W ,according to UM2237 the "Disable password" would indeed remove the OEM key. That does not brick the device, but it will burn the bridge and the device will be forever locked in RDP2. That's certainly something to avoid during development,...
Hi @Hans_W ,there's this wiki article: Security:RDP for STM32U0 - stm32mcuSecondly, the Cube programmer alternatively has a command line parameters to work with. Look for regression.bat in the STM32U0Cube package for working example. Regarding the GU...
Hi @FarooqStm32 ,you can also look for the existing solutions of other community members, such as here:SBSFU for STM32F407 - Adjusting post/pre build .BA... - STMicroelectronics CommunityBR,J