https://www.theregister.co.uk/2019/10/24/google_bricks_home_devices/

Google has somehow managed to brick some of its own smart Home and Home Mini devices, leaving an unknown number completely unresponsive after an automated update.

Following days of reports that people’s voice-controlled devices had suddenly stopped working and nothing could restore them, the internet goliath has finally admitted there is a problem – and tried to downplay it.