I have a Nokia Lumia 900 and heared about the offical confirmation of the Windows Phone 7.8 update on Jan. 30, 2013. I opened a support chat and tweeted that I didn't have the update in early February. I have it set to tell me whenever theirs an update and I've been waiting a least a month. Sorry, I'm just really anxious to get to the new update...
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1. This has been posted in several threads in the correct forum section for your query, which is Software Updates:
2. Please revert to the Software Updates forum section if you want to follow up on this issue.