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.
2. Open Sonos app. Go to Rooms > Group.
3. A pop-up slider will open. Check all Rooms > Done.
4. Open Atmosphere. Go to Settings (⚙) > Select Output Device > Connect with your Sonos group.