Incompatible WiFi

HomePod doesn't work with certain types of Wi-Fi environment. From If you can’t set up HomePod - Apple Support:

• HomePod doesn't support public or subscription networks with sign-in requirements. These networks are often in places such as businesses, schools, dorms, apartments, hotels and shops. 

Check your router to see if you have a feature called something like Wireless or Client Access Security enabled. This blocks peer to peer communications for local wireless devices, and will prevent HomePod from working correctly.

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See Use private Wi-Fi addresses on iPhone, iPad, iPod touch, and Apple Watch - Apple Support and turn off the Private Address option if currently enabled.

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Do you if your router was updated recently? Can you confirm peer to peer communications with other wireless devices? E.g. Can your iPhone see a home shared library on your network?

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You're welcome. 🙂

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