Commissioning the device 
  4.3 Parameterizing the Comfort Panel 
Comfort Panels 
Operating Instructions, 08/2018, A5E36770603-AC 
139 
4.3.11.3  Updating the operating system 
 
All data on the HMI device, including the project and HMI device password, is deleted 
during a restore operation. License keys are only deleted after a security prompt. 
Back up your data before the restore operation, if necessary. 
Requirement  
●  The Control Panel is open. 
●  A SIMATIC HMI Memory card or an industrial grade USB stick with an HMI device image 
file including the operating system is plugged into the HMI device. 
You can find the HMI device image files, for example, in the WinCC installation directory 
under " 
 \Siemens\Automation\Portal V14\Data\Hmi\Transfer\<HMI device image 
version>\Images". 
Procedure 
1.  Open the "Service & Commissioning" dialog using the "Service & Commissioning" icon. 
2.  Change to the "OS Update" tab.