After the global roll out of 1308 firmware update for Lumia 920 devices, Nokia has now announced a new firmware update numbered 1314 for AT&T Lumia 920 devices. This update fixes the recently revealed connectivity issues in Lumia 920 device.
Latest software release for Nokia Lumia 920 is SW 1232.5962.1314.0001.
- Improved automatic display brightness adjustment
- Fix for intermittent screen blanking during a call
- Improvements for connectivity issues in certain network conditions
- Performance and stability improvements
The availability of this update is still unknown. I guess it will be released later today and to check for updates, on your phone, tap Settings -> phone update.