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.
Changelog
| 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. |
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.







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