Update 3 was primarily a stability and compatibility release. Notable improvements included: Hardware Support : Enabled support for S7-1200 firmware version 3.0
To ensure a successful update, users typically follow this specific order: Install (approx. 3 GB each). tia portal v11 sp2 update 3 top download
Better handling of PROFINET diagnostics and Ethernet-based communication protocols. Technical Specifications and Requirements Update 3 was primarily a stability and compatibility release