Get Familiar with Android Pie
If you didn't participate in the Galaxy A Android Pie beta or if you haven't been following the Android Pie update, you'll want to get familiar with the software before you install it. This way you aren't caught off guard by the changes.
Samsung's version of Android Pie comes with a long list of changes including a brand new user interface dubbed One UI. Android Pie looks a lot different than Android Oreo so you'll want to get a feel for it before you dive in. There are a few ways to do this.
First, we recommend getting familiar with all the changes at the Google level. If you don't know where to start, have a look at our Android Pie vs. Android Oreo walkthrough. It highlights the differences between the two operating systems.