The new update concerns only users owning the Nokia Lumia 900 from AT&T in the States. The model has been available there since March of this year and reportedly, has been selling really well. The success has been attributed to the amazing hardware and build quality, the sleek software and nonetheless, the low price and yet, wide advertising campaign. The newly released update is available through the Zune software.
GSM Arena, Nokia Lumia 900 for AT&T updated, bugs get fixed