Your STM32 is too new (e.g., STM32H743).
Includes built-in backup, verification, and checksums to prevent corrupted or partial "writes" that could brick a device. Connection Management: flash loader 200 download
While STMicroelectronics has moved on to more modern tools, the simplicity and speed of Flash Loader 200 ensure it will remain in engineers’ toolkits for years to come. Whether you are recovering a bricked Blue Pill, updating firmware on a production line, or learning how bootloaders work, mastering this tool is a rite of passage in embedded development. Your STM32 is too new (e