Chromecast firmware versions

Here are the latest firmware version 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 1.40.156414

Chromecast — Firmware version 1.40.156414

Chromecast Ultra — Firmware version 1.40.156414

Chromecast Audio — Firmware version 1.40.156414

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 1.40.156414

Chromecast — Firmware version 1.40.156414

Chromecast Ultra — Firmware version 1.40.156414

Chromecast Audio — Firmware version 1.40.156414

Cast for Android TV — Firmware version  1.36154871

How to check your firmware version

To check which firmware version you're on,

  1. Make sure your phone or tablet is connected to same Wi-Fi network as your Chromecast device. 
  2. Open the Google Home app Google Home app.
  3. In Home  tap the device you want to find the firmware version for. 
  4. Tap Settings .
  5. Scroll to the bottom and look for Cast firmware version: X.XXX.XXXXX. 
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