To find out how to access AT&T U Verse router, you are supposed to enter the http:192.168.1.254 into the browser URL Bar. Once you are done with this, you can simply get access to the following gateway and network features, and you can change your wifi network information. Now depending on the type of Gateway you have, the GUI might be called different things like Gateway Home Page, System summary page, and web management interface.
Read more: reset ATT Router