To enjoy the latest and greatest features available
on Google Home, your device may need to update to the most recent
software version. This is done automatically as part of setup so there's
nothing you need to do to get the update.
Note: During the update, Google Home won't be able
to answer questions or help you complete tasks. Wait until the update is
complete to talk with your Google Assistant on Google Home.
Here's an overview of what you should expect during the update:
If the issue persists, Factory Data Reset (FDR) Google Home and try to set it up again, preferably on a 2.4GHz network, if available.