The Nokia Lumia 920 on AT&T is receiving a new software update (1232.5957.1308.0001) which brings display, performance and stability improvements as well as a new ‘Storage Check’ option under Settings.
The update is being pushed (OTA) over the air and you will receive a notification when it is available for your device. You can manually check for the update on your device by heading to Settings > Phone Update > Check for Updates.
The 1232.5957.1308.0001 update for the Lumia 920 has the following new features and improvements.
- Improved automatic display brightness adjustment
- Fix for intermittent screen blanking during a call
- Updated proximity sensor parameters
- Performance and stability improvements
source – Nokia | Symbian Tweet