Nokia recently announced on their Discussions page that they have already rolled out a software update for the Lumia 920, 820 and 620 which will bring a number of performance and stability improvements for the said Windows Phone 8-powered smartphones.
For the Nokia Lumia 920 and 820, the software version 1232.5957.1308.00xx will bring the following improvements:
- improved automatic display brightness adjustment
- fix for intermittent screen blanking during a call
- further performance and stability improvements
As for the Nokia Lumia 620, the version 1030.6407.1308.00xx will bring the following:
- Improved touch screen functions, including corrections in multi-touch actions
- Better voice quality with Bluetooth headsets that support echo/noise suppression
- Enhanced camera performance with corrected exposure when flash is used in bright light conditions
- Various improvements to system stability, performance, and usability
Do note that software versions and date of arrival may vary between different regions. If you already received the update, feel free to share your experience by hitting the comments below.