@NokiaCareUS: AT&T Lumia 900 7.8 SW Update 2175.2307.8862.13100 now available via Zune PC App. http://t.co/6tEkZH0UB2 Hot damn! Do you mean I get live tiles, and weather again. Almost don’t remember what they look like.
Update: Total of three updates, two Microsoft and one Nokia. Took about 30 minutes for everything. And yes, my live tiles in all their fruity glory are back!
Only thing to change were the OS and Firmware: