Open the resulting image file in the Unlock_and_converter_MMC_Image_S7.exe utility.
Since this is not an official Siemens product, it is typically hosted on community forums and technical archive sites: MMC card for Simatic S7-300 unlock-and-converter-mmc-image-s7 download
This tool does not hack the PLC in real-time. Instead, it works offline on an image file. You must first dump the MMC using a hardware programmer (e.g., USB-based MMC reader like the SIMATIC Field PG or a generic USB reader with special drivers). unlock-and-converter-mmc-image-s7 download
tool and open your saved image. The software scans the hex data to find and display the S7-300 project password. Image Conversion unlock-and-converter-mmc-image-s7 download
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