Hi, I had similar issue, sinced I am using ST/LINK V2 instead of nucleo SWD it works for me using the same external loader.Hope it could help you.Best regards

Hi everyone,If it can help somebody you can find here a repository with source code for external loaders : https://github.com/STMicroelectronics/stm32-external-loader

Sorry picture were deleted when I publish my commentBellow the two cases :startup.s :/* Call the application's entry point.*/ bl mainOr/* Call the application's entry point.*/ bl Initlinker.ld :/* Entry Point */ENTRY(Init)Or /* Entry Point */ENTRY(Re...

Hi @DMari.3​ , @Emilmart​ ,If I modify entry point into linker file and startup file as follow I have the following result :startup.slinker.ld STM32 ProgrammerIf I let entry point as default (as mentionned into the tutorial), I have the following res...

Hi @Emilmart​ , did you solved your issue? I have the same issue with with STM32H7B3ZITXQ. I have followed the same tutorial that you mentionned. I have tried TIM6 and SysTick as clock source but same result.