software release for Nokia Lumia 900 is SW 2175.2905.885x.124x0
The availability of this update may depend on your network service provider.
- New start screen experience with resizable tiles: to change the size, tap and hold the live tile
- Theme colours added
- Lock screen improvements: Bing photo of the day as wallpaper, and accidental input protection for the security code
- Operating system version 7.10.8862.144
- Fix for functionality issues with Live Tiles, such as Live Tiles not updating
- After the update, check out Nokia Collection in Marketplace for new or updated Nokia apps, such as Bluetooth Share