Update Nov 28, 2018:
Apple has stopped signing iOS 12.0.1 firmware files, so it is required to use iOS 12.1.
To make sure that Blancco Mobile Device Eraser Diagnostics and Erasure downloads and uses the latest iOS 12.1 which is signed, Apple version information needs to be downloaded from the Apple servers.
Follow the instructions mentioned below in order to manage the source for the Apple version information.
It is required to manually update the information from the Apple servers after changing the source:
After these steps you can process iOS devices by following the workaround option 1 described previously in this article.
Update Nov 9, 2018:
Mobile Device Eraser Diagnostics and Erasure 3.8.3 version released to improve the behavior with this issue. This version will point the software to load iOS 12.0.1 until Apple provides an updated version of the firmware. See the release notes here: Blancco Mobile Device Eraser Diagnostics and Erasure 3.8.3 is now released!
In BMDE 3.8.3 user can define the source from where to download the Apple version information. This can be controlled from Login Screen > Settings > Synchronization Service.
If Synchronization Service is disabled you should only see a dropdown menu to select "version.xml source". If Synchronization Service is enabled, you can manage this settings from your "server" machine, under the "Firmware DL Settings".
Note! This setting only defines from where the version information is downloaded when the version information is being updated. Changing this setting alone will not re-download the version information from the new source automatically.
To update the version information to selected source, you need to: