Troubleshooting: Music is not playing from all Sonos speakers – Mobile
Music is not playing from all my Sonos speakers.
Solution: Group all Rooms in Sonos app
1. Install Sonos app for your playback device.
![](https://assets-global.website-files.com/5fad45970cc2d3baf14795ba/5ffec8344cc91978e83a211b_Available-on-app-store-button-graphic.png)
![](https://assets-global.website-files.com/5fad45970cc2d3baf14795ba/5ffec833139cccf377e0c4ec_fairhotel-google-play.png)
2. Open Sonos app. Go to Rooms > Group.
![](https://assets-global.website-files.com/5fad45970cc2d3baf14795ba/5ffec8346bca5882d4666044_IMG_0009-e1534847852872.png)
3. A pop-up slider will open. Check all Rooms > Done.
![](https://assets-global.website-files.com/5fad45970cc2d3baf14795ba/5ffec8349be53bd5e7102c3b_sonos-groups-mobile-e1534848288984.png)