I had an old but brand new Sonos Connect and I’m trying to add it to my system. It won’t upgrade the software/it gets error 803. What should I do?
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error 803 when trying to add old Sonos Connect to my system
Best answer by Pools-3015
You will have to contact support for that:
https://support.sonos.com/en-us/article/error-803-when-updating-sonos
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