Since public links are deprecated, you have the following options: Direct Support Request technical support request
Siemens has scrubbed V11 from their main "Support & Downloads" page. Why? Because it reached "General Availability Expiration" years ago. If you have a valid Siemens Industry Online Support (SIOS) account with an active Software Update Service (SUS) contract dating back to that era, you might find it in the archives. Tia Portal V11 Sp2 Update 5 Download
: This update specifically adds or improves support for S7-1200 firmware version 3.0 . Since public links are deprecated, you have the