A video provides a first look at the improved Quick Panel customization capabilities that Samsung's upcoming One UI 8.5 update will bring.

All you do is tap it off, and that's it. Now, your playlist will only play the music that you add to it. The order of content will be exactly what you set on it. And when the last track has finished ...

You've seen that little line on your smartphone, but why is it there? We'll explain how to use it—and how to get rid of it on ...