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Nest Protect software update history

This article is the software update history of the Nest Protect, including the dates of each new release, summary of what’s new, changes, and enhancements.

Your Nest Protect will automatically download the latest software if it's connected to the internet. You don't need to do anything.

Software updates are rolled out gradually, and usually take a few weeks to make it to all Nest Protects. This is to make sure that the process goes smoothly for all our customers. If you notice there's a new update listed below but it's not on your Nest Protect yet, it should automatically update.

Your Nest Protect will still warn you in the case of an emergency or Heads Up alert, even if it isn’t connected to the internet, and it has older software.

Nest Protect software is tested by Underwriter’s Laboratories, the California State Fire Marshal, and other independent certification bodies, to ensure that it meets the applicable certification standards in countries where it’s sold.

Version 3.4 (named 3.4rc4) - Released January 25, 2021 for 2nd gen Nest Protect

  • Bug fixes and improvements

Version 3.3 (named 3.3rc6) - Released September 10, 2020 for 2nd gen Nest Protect

  • Updated voice in all languages to match the Assistant
  • Bug fixes and improvements to meet latest New Zealand and Australia certification standards

Learn more about Nest Protect lights and sounds.

Version 3.1.4 (named 3.1.4rc3) - Released February 12, 2018 for 1st and 2nd gen Nest Protect

  • Bug fixes and improvements

Version 3.1 (named 3.1rc9) - Released July 13, 2016 for 1st and 2nd gen Nest Protect

All Nest Protects are expected to receive this update within a few weeks of its release.

  • Nightly Promise improvements on 1st gen Nest Protect
  • Bug fixes and improvements

Version 3.0.3 (named 3.0.3rc5) - Released January 15, 2016 for 2nd gen Nest Protect

  • Bug fixes and improvements

Version 3.0.2 (named 3.0.2rc4) - Released November 12, 2015 for 2nd gen Nest Protect

All 2nd gen Nest Protects are expected to receive this update by November 20, 2015.

  • Bug fixes and improvements

Version 3.0 (named 3.0rc16) - Released June 23, 2015 for 2nd gen Nest Protect

Exclusive to 2nd gen Nest Protect:

For all Nest Protects:

To access all Nest Protect's new software features, upgrade to the latest version of the Nest app.

Nest app for Android software update history
Nest app for iOS software update history

Version 2.0 (named 2.0rc5) - Released September 4, 2014

Version 1.0.2 (named 1.0.2rc3) - Released June 17, 2014

  • Bug fixes
  • Smoke sensitivity level approved by Underwriters Laboratories: (%/ft obscuration) 1.89 ± 0.72

Version 1.0 (named 1.0rc12) - Released November 19, 2013

  • Original release
  • Update smoke sensitivity levels to: (%/ft obscuration) 1.89 ± 0.72. Meets UL 217 requirements
  • Smoke sensitivity level approved by Underwriters Laboratories: (%/ft obscuration) 1.89 ± 0.72

Note: With each software version, Nest Protect can fine tune the sensitivity of its smoke sensor. Smoke sensitivity levels and obscuration measurements are listed for fire safety professionals and building inspectors to confirm local code compliance.

Learn more about Nest Protect's certification.

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