The new version of Samsung DeX in One UI 8 has a hidden “immersive” full screen mode that’s hard to find. Here’s how to ...

Google Photos has a new look for its video player, including easier navigation, that is currently rolling out to users.

In short, the black bars appear because the video's aspect ratio doesn't match your TV's. While companies like LG have released 21:9 TVs in the past, they have never really caught on.