A:Answer Hi Ana. The AT&T TV app is not a compatible app that is available on the LG UHD 73 Series 75 inch Class 4K Smart UHD TV with AI ThinQ® (74.5'' Diag), Model # 75UN7370PUE This TV comes with preinstalled Premium Providers apps like Netflix, Hulu, Vudu, Amazon Video Prime, Sling TV, Disney+, Apple TV, YouTube, Pandora, and LG Channels just to name a few. LG Channels provides over 180 channels of free TV content along with other entertainment, educational, new and gaming apps.. Additional compatible apps such as Peacock, Movies Anywhere, and more can be downloaded and installed on the TV. Please visit https://us.lgappstv.com/main/tvapp for a complete listing of the approximately 600 apps offered on our platform...^IFV