How to update the HomePod Software?

Hello Macfree,

1. Open the Home app
2. Tap on More (the three dots in the upper right)
3. Tap Home Settings
4. Scroll down and tap on Software Updates

All HomePod software updates will appear here. If you receive a checkmark with This home and all accessories are up to date, you're all set!

Update HomePod - Apple Support

I hope this helps!

have you read

Update HomePod - Apple Support