Siemens SIMATIC HMI Series Operating Instructions Manual page 151

10. To restore the data of the selected file, press the "Update" button. The "Update settings"
dialog is displayed.
The dialog informs you that the settings in the Control Panel will be kept and offers you
the option of keeping or deleting license keys present on the HMI device.
11. Press the "Update" button. The "Update OS Image" dialog is displayed.
12. Press the "Yes" button to start the restoration of the operating system.
The "Transfer" dialog is displayed. A progress bar shows the status of the restore
process. The HMI device then restarts.
The operating system is updated on the HMI device.
Note
After restoring, a recalibration of the touch screen may be required, see also section
"Calibrating the touch screen (Page 100)".
See also
Restoring from external storage medium – Restore (Page 147)
Mobile Panels 2nd Generation
Operating Instructions, 09/2018, A5E33876626-AC
Parameterizing the Mobile Panel
5.15 Functions for service and commissioning
151