Chromecast firmware versions

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

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

Current Preview Program firmware version 

Chromecast (1st gen)  —  Firmware version 1.36.159268​

Chromecast (2nd gen) — Firmware version 1.44.185164

Chromecast — Firmware version 1.44.185164

Chromecast Ultra — Firmware version 1.44.185164

Chromecast Audio — Firmware version 1.44.185164

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

Current production firmware version

Chromecast (1st gen)  —  Firmware version 1.36.157768

Chromecast (2nd gen) — Firmware version 1.44.185164

Chromecast — Firmware version 1.44.185164

Chromecast Ultra — Firmware version 1.42.183786

Chromecast Audio — Firmware version 1.42.172094

Cast for Android TV — Firmware version 1.42.179832

How to check your firmware version

To check which firmware version you're on:

  1. Open the Google Home app Google Home app.
  2. Tap your device and then Settings .
  3. Scroll to the bottom and look for Cast firmware version: X.XXX.XXXXX. 
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