Chromecast firmware versions and release notes

Last updated: 3 November 2022

Here are the latest firmware versions and release notes for Chromecast devices. You'll also find steps to check the current firmware version and update Chromecast.

Firmware updates are done in stages. The production firmware versions listed are updated once the version is available to all devices.

Release notes

Current Preview Programme firmware version

Device Firmware version What's included in this software update
Chromecast (1st gen) 1.36.159268​ Bug fixes and improvements
Chromecast (2nd gen) 1.56.275994 Bug fixes and improvements
Chromecast (3rd gen) 1.56.275994 Bug fixes and improvements
Chromecast Ultra 1.56.281627 Bug fixes and improvements
Chromecast Audio 1.56.281627 Bug fixes and improvements
Cast for Android TV 1.56.275391 Bug fixes and improvements

Want to test drive the latest firmware version before it's broadly released? Join the Chromecast Preview Programme.

Current production firmware version

Device Firmware version What's included in this software update
Chromecast (1st gen) 1.36.157768 Bug fixes and improvements
Chromecast (2nd gen) 1.56.275994 Bug fixes and improvements
Chromecast (3rd gen) 1.56.275994 Bug fixes and improvements
Chromecast Ultra 1.56.281627 Bug fixes and improvements
Chromecast Audio 1.56.281627 Bug fixes and improvements
Cast for Android TV 1.42.179832 Bug fixes and improvements
Chromecast with Google TV (4K) Build number: STTE.220621.019.A2
  • Security update: Android security patch level updated July 2022
  • Upgrade Android TV version from 10 to 12
    • Additional user settings lets you control HDR format and surround sound
    • New: Match content frame rate allows you to switch between refresh rates
  • Increased security and privacy
    • New camera and mic privacy toggles let you disable or enable camera and mic access for all apps
  • Additional bug fixes and performance improvements

To manually download the latest update, follow instructions here.

Chromecast with Google TV (HD) Build number: STTF.220621.013 Build version at launch

Check the firmware version of your Chromecast device

  1. Open the Google Home app Google Home app.
  2. Touch and hold your device's tile.
  3. Tap Settings  and then Device information.
  4. Under 'Technical information', check for Cast firmware: 'X.XXX.XXXXX'. If the device is on Fuchsia, check for system firmware version: 'X.XXXXXXXX.X.XXXXXXX'

Download the latest Chromecast with Google TV system update

Your device will usually download updates automatically. To manually download the latest update, follow these steps:

  1. Go to the home screen of your Chromecast with Google TV.
  2. Choose Settings and then System and then About and then System update.
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