How to to change your background

First, Click On Your Camara App

Next, On The Bottom Left Corner Click On Your Photos

Then, Find The Picture You Want As Your Background And Click On The Picture And There Will Be Play Button, Trash Button, And Share Button. You Want To Click On The Share Button

Also, Click On The "Use As Wallpaper"

Then, It Will Let You Move And Scale The Picture

Next, Click On Any Button You Would Like To Put The Wallpaper On

Finally, Your Done!