"I can change the playback mode only when music is playing" Sonos One problem

I had the same issues and it was driving me insane.

After a call with the support team at Sonos we went through all of the above but actually found out the issue was a setting on my amazon account

He said I would need a computer to access certain settings but you can do this on an iPhone by requesting a desktop version of the site.

Once you do that go to settings, content and devices and check all is ok there and you can see your devices. Then click settings then see the country settings section. My has the country as “unknown”

So for me the issue was that I didn’t set a country! Once I set that then asked Alexa to play the radio it did! And through the Alexa app my Sonos turned from offline to online.

All sorted! Hope that helps.

I read many threads regarding this issue. I found my issue was caused by duplicated names. I had the same name "Family Room" for both Nest thermostat and Sonos One speakers. I believe this name was automatically chosen when I set up Nest and Sonos. As others have mentioned, Alexa application should have warned the user about this. I also noticed that I had two family room devices called "Family Room" in the Alexa app because I have two Sonos One setup as a pair. To resolve the issue, I renamed Nest to something else in the Alexa app. I deleted both Sonos devices in the Alexa app and renamed the Sonos speakers' name in the Sonos app. Then, I added the Sonos speakers in the Alexa app again and this time it discovered them as one deivce (as they work as a pair). Hope this helps.

I read many threads regarding this issue. I found my issue was caused by duplicated names. I had the same name "Family Room" for both Nest thermostat and Sonos One speakers. I believe this name was automatically chosen when I set up Nest and Sonos. As others have mentioned, Alexa application should have warned the user about this. I also noticed that I had two family room devices called "Family Room" in the Alexa app because I have two Sonos One setup as a pair. To resolve the issue, I renamed Nest to something else in the Alexa app. I deleted both Sonos devices in the Alexa app and renamed the Sonos speakers' name in the Sonos app. Then, I added the Sonos speakers in the Alexa app again and this time it discovered them as one deivce (as they work as a pair). Hope this helps.

Whew...that's a lot of work and time invested. I've just decided to forgo using Alexa for now and just use the app. Maybe when they activate Google, it will work better. This is a 1st world problem I'd rather move on from at this point

I read many threads regarding this issue. I found my issue was caused by duplicated names. I had the same name "Family Room" for both Nest thermostat and Sonos One speakers. I believe this name was automatically chosen when I set up Nest and Sonos. As others have mentioned, Alexa application should have warned the user about this. I also noticed that I had two family room devices called "Family Room" in the Alexa app because I have two Sonos One setup as a pair. To resolve the issue, I renamed Nest to something else in the Alexa app. I deleted both Sonos devices in the Alexa app and renamed the Sonos speakers' name in the Sonos app. Then, I added the Sonos speakers in the Alexa app again and this time it discovered them as one deivce (as they work as a pair). Hope this helps.

Whew...that's a lot of work and time invested. I've just decided to forgo using Alexa for now and just use the app. Maybe when they activate Google, it will work better. This is a 1st world problem I'd rather move on from at this point

The same issue occurs with Google Assistant, you must ensure that your devices and groups are unique or the AI won't know which device you want to control. I personally use the naming convention Room Name + Device Type. e.g. Kitchen Sonos, Kitchen Echo Dot