File this one under hopeful, but AT&T via their support forums have confirmed that the Windows Phone 8 GDR2 OS update and accompanying Amber firmware from Nokia has been cleared for the Lumia 820 and 920.

ETA? Tomorrow, October 10th.

Now we should be clear that this isn’t an AT&T or Nokia press release and Nokia’s own webpage has not yet been updated to reflect this news (it still says ‘waiting for approval’). However, a Community Manager did post the information, and it seems too detailed and confident to just be a rumor. Indeed, the Community Manager is an employee of AT&T so it has some credibility to it.

The posting specifically states:

“AT&T has completed testing the Nokia Lumia 820/920 Windows Phone software update on our network. We expect Microsoft to make the update available beginning 10/10. When the software update is available for you to download, Windows Phone will notify you so you can download it directly over a Wi-Fi connection. We appreciate your patience.”

That sounds like a slam dunk to our ears but of course until we start to see it rollout, usually at 1PM ET, we’ll still take it with a grain of salt.

The AT&T Nokia Lumia 820 and 920 are some of the last devices to get the GDR2 and Amber updates. Users have becoming increasingly strident at the delay, becoming very vocal in AT&T and Windows Phone Central communities. At least now there appears to be some light at the end of the tunnel.

It was just nine days ago that AT&T stated the updates were coming in the “coming weeks” and that now appears to be the case.

Nokia’s Amber update will bring improved image processing, flip to silence, FM radio, call + SMS blocking, Lumia color profile and Nokia Smart camera, while Microsoft’s GDR2 will fix Other storage and improve things like Xbox Music.

Source: AT&T Forums; Thanks, Owen H., M and Caddy, for the tips