Your current firmware and Cast firmware versions will be listed at the bottom.

If you see four white LEDs flashing on the front panel, an update is currently in progress. Do not unplug the device during this time.

Because the process is passive, you can check whether an update has occurred by comparing the firmware version in Google Home settings against the latest version listed on or community forums.

Scroll to the bottom to find the and System firmware version . Troubleshooting Update Issues

Regular firmware updates address various technical and performance aspects: