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Contributor I
May 30, 2025
Answered

arc won’t connect to wifi

I have set up a new router and my Sonos arc will not connect via Wi-Fi it is impractical for me to use an ethernet cable I have uninstalled and reinstalled the app done a factory reset on the arc rebooted the router and it was still not connect.  

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Rafi25Answer
Contributor I
May 31, 2025

Thanks for your replies interestingly The Sonos chat bot also couldn’t detect what the problem was which turned out to be a simple setting with a WPA settings. I disabled WPA three and everything worked fine

8 replies

Senior Virtuoso
May 30, 2025

Because you’ve factory reset it (which is not recommended) you need to consider it a new product and follow the process for a new device. Have you done that? If so, at what point in installation does it fail and what error message do you get? Just telling us “it will not connect” is not too helpful. 

Rafi25Author
Contributor I
May 31, 2025

 I’ve tried to add it as a new system.  I can get the arc to connect to the app - does the chime and I’ve pushed button on the back. It can see the wifi network but when i put in the password for the wifi it tells  me it can’t connect.     Try again!   All other devices will connect fine with the wifi 

Stanley_4
Grand Maestro
May 31, 2025

On a small screen so finding links is hard, but if you go to Support here and search for "wifi settings" you can check that your wifi is in a compatible mode.

Rafi25Author
Contributor I
May 31, 2025

Thanks did you mean sonos support in the app? Or was there a link i cant see. 

Airgetlam
May 31, 2025

Here’s a link to Sonos Support . You can also scroll to the bottom of this page and click on ‘Contact us’ if you prefer. 

Bruce
Stanley_4
Grand Maestro
May 31, 2025

Top of the forum page, Shop Learn Support i think the language portion may change for some places.

https://support.sonos.com/en-us/home

 

https://support.sonos.com/en-us/search?q=Wifi+settings

 

 

Rafi25AuthorAnswer
Contributor I
May 31, 2025

Thanks for your replies interestingly The Sonos chat bot also couldn’t detect what the problem was which turned out to be a simple setting with a WPA settings. I disabled WPA three and everything worked fine

106rallye
June 1, 2025

Strange. As I understand https://support.sonos.com/article/supported-wifi-modes-and-security-standards-for-sonos-products the Arc should do WPA3. Good that it works for you and that you’ve mentioned your solution here.