Nest Protect software update history

This article is the software update history of the Nest Protect, including the dates of each new release, a summary of what’s new and any 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 that 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 has older software.

Your Nest Protect software is tested by Underwriters 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 3.3 (named 3.3rc6) – released 10 September 2020 for 2nd-gen Nest Protect

  • Updated voice in all languages to match 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 12 February 2018 for 1st- and 2nd-gen Nest Protect

  • Bug fixes and improvements

Version 3.1 (named 3.1rc9) – released 13 July 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 15 January 2016 for 2nd-gen Nest Protect

  • Bug fixes and improvements

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

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

  • Bug fixes and improvements

Version 3.0 (named 3.0rc16) – released 23 June 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 4 September 2014

Version 1.0.2 (named 1.0.2rc3) – released 17 June 2014

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

Version 1.0 (named 1.0rc12) – released 19 November 2013

  • Original release
  • Updated 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 compliance with local regulations.

Learn more about Nest Protect's certification.

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