Trouble Upgrading firmware on XK9-XCT-0 kit modules

Just purchased XK9-XCT-0 tried to upgrade firmware - correct modem not listed in X-CTU pull down menu - and links don’t work to firmware - Modem unknown in X-CTU for both modules - and download new versions does not work - I attempted to download another modems firware ~ now modem does not connect ~
Can someone give guidance?

Click on ‘Give Feedback’ orange colour button to report this link missing issue… Digi guys will soon correct it.

To recover your module, see solution provided on this webpage:

But before that, you need the correct firmware file in your X-CTU