How to set up the Sonos Era 100 in 7 steps
Step-by-step help to set up your Sonos Era 100 and to fix common problems when it won't join Wi‑Fi or the Sonos app can't find it. Follow the steps in order and check the success signals shown.
What you need
- Sonos app installed on your phone or tablet (Sonos app)
- Your phone connected to the same Wi‑Fi network you want the Era 100 on
- Your Wi‑Fi password ready
- Power for the Era 100 and a location within range of your router
Step by step
- Power the speakerPlace the Era 100 where you want it and plug the power cable into the socket.How you know it worked: The speaker's status light turns on or blinks briefly.
- Open the Sonos appOpen the Sonos app on your phone and sign in with your Sonos account or create one.How you know it worked: You see the Sonos app home screen.
- Add a new productIn the app go to Settings or System and choose 'Add Product' or 'Add a product'.How you know it worked: The app prompts you to power on and keep the speaker nearby.
- Follow the app promptsFollow the instructions shown in the app; it will ask you to power the Era 100 and wait while it searches.How you know it worked: The app starts searching for the new device.
- Connect to Wi‑FiIf asked, enter your Wi‑Fi password so the speaker can join the same network as your phone.How you know it worked: The app reports the Era 100 as added or shows it in your device list.
- Name the speakerChoose a name and room in the app so you can identify the Era 100 later.How you know it worked: The speaker appears with the chosen name in your system.
- Play a test trackPlay a short track from the app to verify audio playback.How you know it worked: You hear sound from the Era 100.
Common problems
Era 100 won't connect to wifiEra 100 app can't find itEra 100 reset
Frequently asked
Should I reset the Era 100 for setup issues?
Resetting erases all settings; first try restarting the app and speaker and verifying Wi‑Fi and app permissions.
The app can't find my Era 100 but the light is on — what now?
Make sure your phone is on the same Wi‑Fi network, grant the Sonos app local network access and enable Bluetooth temporarily.
Can I use Bluetooth to complete the setup?
Bluetooth may assist detection, but you must add the speaker to your Wi‑Fi network via the Sonos app.
What happens to my services after a reset?
Music services are removed from that speaker and must be re-added through your Sonos account in the app.
Updated 2026-09-09