I connected the SCP (STM32 Cube Programmer) too to a test Nucleo with working code on.

I saved the FLASH memory to a file, then erased the devices FLASH and then reloaded the saved binary, but the code didn't run.

Is there something basic about this that I'm missing perhaps?

I can reload the device from Visual Studio easily enough, but I was interested in taking the board, saving the image, and then simply using that image to load up other boards without the labor of publishing the app from my IDE.

If I attach my debugger to the board I can see it is stuck in HardFaultHandler

 

I solved it, turns out when I read the memory and saved it to a file, I only read/saved a portion. Not sure how to determine how "big" an image to save.

If I save "all" it saves like 1.2 MB most of that being FFs...