Error 101 when updating Sonos

Update Error 101 occurs when one or more Sonos products loses connection to the update server during a firmware update. The error screen will indicate which of your Sonos products is experiencing the error.

Move closer to your WiFi router

If possible, move the Sonos product experiencing the error closer to the router and try the update again.

Temporarily wire a product

If possible, temporarily wire the affected Sonos product to your router using an Ethernet cable, and retry the update in the Sonos app. If the update is successful, unplug the product from your router and return it to its original location.