In TIA Portal, go to > Support packages > Add from file system . Select the downloaded file, click Install , and restart. S7-1200 Firmware V4.3 Update Files

Before attempting to install HSP0276, ensure your system meets the following software requirements:

Search for: .

Look at the panel or dropdown menu on the right. You should now see V4.3 listed under the available firmware versions. Troubleshooting Common Issues