Surface Duo app group (source: Microsoft)

Surface Duo picks up February 2021 firmware update

Surface Duo patch for February improves stability, audio quality, brings a new feature, and patches security vulnerabilities with Android.

Microsoft is now rolling out the fifth firmware update for its Surface Duo device to improve stability and audio quality. The update also patches security vulnerabilities with the Android operating system, and you can now add a caller to conference calls.

According to the Microsoft support website, the firmware update was originally made available on February 9, and it is meant for the locked version of the device available from AT&T.

Surface Duo firmware update

Here are the improvements available for Duo in February 2021:

  • Adds the ability to add a caller to conference calls in certain conditions.
  • Improves audio quality when using speaker mode.
  • Improves touch stability.
  • Improves Surface Duo UI stability.
  • Fixes scenarios outlined in the Android Security Bulletin – December 2020 and January 2021.

The update will download and install automatically, but you can get it manually from the Android update settings page if the device has not received it.

The Microsoft Surface Duo is a dual-screen device connected using a 360-degree hinge design that creates an 8.1-inch canvas that runs on Android 10, and you can order it now from the Microsoft Store starting at $1000.

About the author

Mauro Huculak is a Windows How-To Expert who started Pureinfotech in 2010 as an independent online publication. He has also been a Windows Central contributor for nearly a decade. Mauro has over 14 years of experience writing comprehensive guides and creating professional videos about Windows and software, including Android and Linux. Before becoming a technology writer, he was an IT administrator for seven years. In total, Mauro has over 20 years of combined experience in technology. Throughout his career, he achieved different professional certifications from Microsoft (MSCA), Cisco (CCNP), VMware (VCP), and CompTIA (A+ and Network+), and he has been recognized as a Microsoft MVP for many years. You can follow him on X (Twitter), YouTube, LinkedIn and Email him at [email protected].