It is worth noting that while Siemens does not manufacture or endorse any "unlock" tools, a community of third-party developers has created utilities that can recover passwords from MMC cards and convert image files for legitimate technical purposes. These tools are designed for system recovery and maintenance under appropriate authorization.
Instead, Siemens PLCs use a specific internal layout based on the allocation of blocks: Store hardware configurations. unlock and converter mmc image s7 61 rar new