Surface Duo firmware update

Microsoft has released a new firmware update for the Surface Duo (January 2021).

Please note that this update is only available for unlocked Surface Duos.


Software versionUpdate 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.

How to get the update

Surface updates are released in stages – not every Surface will receive the update at the same time, but it’ll be delivered to all devices. If you haven’t received an update, see Update Surface Duo.