Figured out how to update the Chromecast ultra firmware (i think). I joined the preview program in the settings, then pulled power and started again a bunch of times. Now I got
Chromecast with Google TV 4K gets a new update with January 2023 Security Patch - GChromecast Hub
Google drops support for original Chromecast
Chromecast with Google TV gets a firmware update to improve Dolby Vision playback and storage | What Hi-Fi?
The OG Chromecast has received its last firmware update
How to Update Chromecast Firmware to the Latest Version (2021) - Pluto TV
A new Chromecast with Google TV in the pipeline: Might be called Chromecast Pro - Smartprix
New Chromecast with Google TV update rolling out
How to Update Chromecast Firmware to the Latest Version (2021) - Pluto TV
How to Update Chromecast Firmware to Latest Version - Chromecast Apps Tips
Force Google Chromecast 2 to Check for Firmware Update - Switched On Network
How to Update Chromecast Firmware to Latest Version - Chromecast Apps Tips
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Android 12 arrives on the two-year-old Chromecast with Google TV - The Verge
How to Get Firmware Updates on Chromecast with Google TV - YouTube
Google Chromecast update adds new Assistant feature - 9to5Google
New Chromecast firmware versions available from Google - Android Community
How to Check Firmware Version of Chromecast - Support.com TechSolutions
![How to update Chromecast [all methods] - GChromecast Hub](https://googlechromecast.com/wp-content/uploads/2020/10/How-to-update-Chromecast.jpg "How to update Chromecast [all methods] - GChromecast Hub")
How to update Chromecast [all methods] - GChromecast Hub
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How to Update Chromecast
How to Update Chromecast Firmware to Latest Version - Tech Follows
How to Check for Updates on GOOGLE Chromecast Ultra 4K - Install New Firmware with Google Home App - YouTube
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How to Update Chromecast
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How to Update Chromecast
