Unfortunately, owners of the HTC 8X and HTC 8S are waiting on the sidelines as their device is currently not eligible . Citing Microsoft Support Forums it appeared to be related to outdated firmware. Microsoft, who have now released an official statement to us, is clarifying that situation a bit.

Yesterday, the Preview for Developers program began pushing out Update 1 for Windows Phone 8.1 users. The OS refresh brings Live Folders and numerous other improvements that we are detailing in more in-depth articles.

A Microsoft spokesperson gave Windows Phone Central this statement:

"We have paused delivery of Windows Phone 8.1 Update to customers with the HTC 8X and HTC 8S who are using the Preview for Developers. Microsoft and HTC have identified an issue and are actively working to fix it, and will resume delivery of the update once a fix is in place."

It is not known if the particular problem is related to the current firmware, or something unique with this OS update. Microsoft notes that they are working to resolve the issue with HTC, and presumably, the next update for the Preview for Developers program is set to address this problem. Typically, Microsoft pushes out new 'Previews' every couple of weeks.

If you would like to commiserate with other HTC owners about the Preview pause, jump into this fun forum thread discussing the situation.

Note, this issue with HTC phones is different from the 8018830f error, which is also being worked on.