Manual Config Migration on new F5 Box

Hi,

I need to get ucs file from existing F5 box running with version 14.1.0 and then extract it and then built new UCS file on my vmware lab running 12.1 version.

This is required when I downgrade from version from 14.1 to 12.1 so that I should have UCS file ready with version 12.1. to avoid any issues.

What tool should I use to extract 14.1 UCS file and then copy its content and import it to new f5 running with version 12.1