Wifi troubles

Definitely helps to double check and make sure that all Ports the Xbox uses are open!

Hi,

Is there anyway that you can use a ethernet cable to connect your Xbox Console to your Wireless Router?

hello, I once had this problem of disconnecting from wi fi every like 15 minutes, then I changed my modem and everything was ok, changing the modem changed my nat type from closed to open and I think that was what solved my issue, hope this info will help
you some way

Hi there Hayley

There is ways to fix lag issues, https://support.xbox.com/en-US/xbox-one/networking/connection-solution But it is recommended for the best
connection type to be wired but as the other ambassadors have mentioned ports Here is the Ports required for xbox live on xbox one .

I hope these links might assist you on fixing this issue.

Hello Haley,

We understand that you're experiencing an issue concerning network lacking in performance on your Xbox One console.

Our recommendation, we have an available article for directly this issue found here at our
"I am experiencing slow performance when playing Xbox One games on Xbox Live." support article which is a wizard meant
to walk users through various steps in regards to this case.

Try following this and let us know if this helps.

Best wishes!