Transfer this project to a fresh MMC using a Siemens PG or USB card reader .
For newer S7-300 models using a Micro Memory Card (MMC), the password is stored on the card. Using a standard Siemens PG or a specific external USB card reader (with specialized software like S7-Unlocker
It is important to note that the term "exclusive" is often a marketing scam. There are public, open-source tools (such as the s7-library for Python or older tools like S7Ki and Passcape ) that automate these exact attacks.
Release and immediately flick it back to within 3 seconds. The STOP LED will blink while the memory is wiped.