Last updated: July 22, 2023
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 update |
Chromecast (2nd gen) | 1.56.275994 | Bug fixes and improvements |
Chromecast (3rd gen) | 1.56. 291998 | 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 | 1.56.292394 | 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) | 1.36.159268 | Bug fixes and improvements |
Chromecast (2nd gen) | 1.56.275994 | Bug fixes and improvements |
Chromecast (3rd gen) | 1.56.291998 | 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 | 1.56.292394 | Bug fixes and improvements |
Chromecast with Google TV (4K) | Build number: STTE.230319.008.H1 | Bug fixes and performance improvements To manually download the latest update, follow instructions here. |
Chromecast with Google TV (HD) | Build number: STTE.230319.008.R1 |
Bug fixes and improvements To manually download the latest update, follow instructions here. |
Check the firmware version of your Chromecast device
- Open the Google Home app
.
- Tap your device's tile.
- Tap Settings
Device information.
- 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:
- Go to the home screen of your Chromecast with Google TV.
- Choose Settings
System
About
System update.