How do I restore WiFi to LG G3?

[AC Question]

phone suddenly has no wifi connection in my home. did everything att suggested & still doesn't work.

 

[belodion]

Welcome.

I imagine that AT&T will have suggested resetting the router. If that didn't work, try a Power Off and Restart of the phone....though I imagine they will have suggested that too. It would help if you were to tell us what you have tried.