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Microsoft is now rolling out February firmware update for Surface Duo

Surface Duo owners noticed that their dual-screen smartphones receive a  February firmware update. At the time of writing this article, there is no official word from Microsoft on what is new in this update. Microsoft finally published the official changelog for this update on February 19. The build number is 2121.115.52, and it is tiny – you need only 66 MB to install it.

Surface Duo Banner 3

After installing the update, Surface Duo reports Android security updates from February 5. The release contains general improvements and security patches from Google. On February 19,  Microsoft published the changelog for this update with the following highlights.

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What's new in February firmware update for Surface Duo

2021.115.52 (North America)

This update:
  • Addresses scenarios outlined in the Android Security Bulletin - February 2020.

  • Improves Surface Duo UI stability.
  • Improves single tap touch experience.

2021.115.54 (Europe)

This update:
  • Addresses scenarios outlined in the Android Security Bulletin - February 2020.
  • Improves Surface Duo UI stability.
  • Improves single tap touch experience.
2020.1211.87 (Europe)This update:
  • Addresses scenarios outlined in the Android Security Bulletin - December 2020 and January 2021.
  • Improves Surface Duo UI stability.
  • Adds the ability of adding a caller to conference calls in certain conditions.
  • Improves audio quality when using speaker mode.
  • Improves touch stability.

Do note that the update is available for unlocked models only. Surface Duo from AT&T will get the new firmware in a couple of days once the carrier approves it.

Needless to say, the February update is still based on Android 10 (you can tell from the size of the update). Microsoft does not comment on when Android 11 is coming to Surface Duo, but rumors say that the new Android version will be available this Summer.

Surface Duo is now available not only in the US but also in the UK, France, Germany and Canada. Surface Duo buyers in Canada will also get free Surface Earbuds.

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Author: Taras Buria

Taras is here to cover stories about Microsoft and everything around, although sometimes he prefers Apple. You can stay in touch with him on Twitter.

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