Chromecast firmware versions

Here are the latest firmware versions for Chromecast (1st gen), Chromecast and Chromecast Audio devices.

Current Preview Program firmware version 

Chromecast (1st gen)  –  Firmware version 1.36.159268​

Chromecast (2nd gen) – Firmware version 1.42.172094

Chromecast – Firmware version 1.42.172094

Chromecast Ultra – Firmware version 1.42.172094

Chromecast Audio – Firmware version 1.42.172094

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

Current production firmware version

Chromecast (1st gen)  –  Firmware version 1.36.157768

Chromecast (2nd gen) – Firmware version 1.42.172094

Chromecast – Firmware version 1.42.172094

Chromecast Ultra – Firmware version 1.42.172094

Chromecast Audio – Firmware version 1.42.172094

Cast for Android TV – Firmware version 1.30.109591 

How to check your firmware version

To check which firmware version you're on:
  1. Make sure that your phone or tablet is connected to same Wi-Fi network as your Chromecast device. 
  2. From your mobile device, open the Google Home app Google Home app.
  3. Tap DEVICES Devices to see your available Chromecast devices. 
  4. Scroll to find the device card for the Chromecast that you'd like the firmware version for.
  5. At the top-right corner of the device card, tap the device card menu Menu.
  6. Tap Settings.
  7. Scroll to the bottom and look for Cast firmware version: X.XXX.XXXXX. 
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