If your HomePod isn't working, there's a way to reboot it or reset it back to factory defaults. Here's how to reset HomePod and HomePod mini with or without an iPhone.
How to Factory Reset HomePod Mini on iPhone
How to Factory Reset any Apple TV, HomePod, AirTag, AirPods, or Beats Headphones - The Mac Security Blog
How can I restart my homepod mini remotel… - Apple Community
How to Reset HomePod or HomePod Mini: 3 Ways to Do It! - iGeeksBlog
How to Reset HomePod and HomePod Mini
How to reset HomePod and HomePod mini
How to reset your HomePod Mini
How to Reset a HomePod Without Your Phone- The Mac Observer
Reset HomePod : r/howto
How to factory reset your HomePod or HomePod mini - 9to5Mac
My homepods have been acting wierd.. so im going to reset them to give, Homepod Mini
How to Factory Reset Your HomePod or HomePod Mini : HelloTech How