Improvements and fixes in the update
January 2021
January 27 release
The following updates are available for unlocked Surface Duos.
Software version Update info 2020.1211.85 (Unlocked Device) This update:
- Addresses scenarios outlined in the Android Security Bulletin - December 2020 and January 2021.
- Improves Surface Duo UI stability.
- Adds the ability to add a caller to conference calls in certain conditions.
- Improves audio quality when using speaker mode.
- Improves touch stability.
Source: https://support.microsoft.com/en-us/...9-32982b5665f1