Yesterday I did a system update (I've two son0s:1 speaker and one zp90). The system update reported a failure and afterward the two sonos:1 devices continue to work as normal but the ZP90 has a bright red LED continuously on. After cycling the power on the zp90 it entered a mode where it has a never ending white flashing LED.
I've tried lots of things to breath life into in (connecting to ethernet, factory reset and cycling the power several times).
Please help. A quick internet search suggest that the device is bricked, which I'll not be happy about as I consider that the update procedure caused this...