Surface Duo firmware update

Microsoft has released April 2021 firmware update for the unlocked Surface Duos in North America and Europe.


Software versionUpdate info
2021.314.91 (North America)

2021.314.93 (Europe)
This update:

Addresses scenarios outlined in the Android Security Bulletin – April 2020.

Improves device stability and UI stability.

Improves device performance when opening and closing apps, accessing your recent apps, or swiping up to see all your apps.

Fixes the scenario where the wallpaper was not appearing after unlocking Surface Duo.

Fixes the scenario where a notification badge appears on top of a running app and causes the screen to turn black.

How to download the update

When you install an update, it’ll be downloaded to your Surface Duo and then installed.

  1. Connect your Surface to a Wi-Fi network.
  2. On your Home screen, tap Settings.
  3. In Settings, tap System > System update > Check for update.
  4. After the update is downloaded and installed, tap Restart now.