He went on to say that if readers do not like the change, Sports Illustrated can always go back and support portrait mode again.
I rarely used the four physical buttons at the bottom of the screen (in portrait mode) for locking the screen, browsing, returning to a previous screen, and returning to the home screen.
This icon is the symbol for portrait mode and if you're not confident with changing apertures (we'll discuss this below) it's a good mode to switch to as it will do some of the work for you.