Hey rjtiedeman,
Thank you for taking the time to post and welcome to the Bose Community. I hope you're loving your Solo Soundbar II so far - I'd be happy to help with your query!
The current firmware version of the Solo Soundbar II is version 1.2.8.460, and there have been no further updates since. If you'd like to look into more about updating your system firmware, read the guidance on our support site HERE.
There is not a companion app for this system, as you only need to connect through Bluetooth and TV audio through the provided optical cable. If you have any further queries do let us know!
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