If you have lost access to a Siemens PLC, consider these authorized methods before using third-party software: Reset to Factory Settings : For S7-1200/1500, you can reset the password through the TIA Portal CPU properties , though this may delete the existing program.
: Perform a memory clear by holding the button while cycling power. Authorized Support : password-find-plc siemens s7-keys7-v314-
: Many "free" versions of these tools found on unofficial sites are flagged as high-risk for containing malware or being scams. Recommended Official Alternatives If you have lost access to a Siemens