How to turn off (or turn on) landscape mode on the iPhone 6/6s Plus and iPhone 7 Plus home screen

With the iPhone 6 Plus, 6s Plus, and 7s Plus, you have the ability to use the home screen in landscape mode (with the iPhone held horizontally) or in portrait mode (the iPhone held vertically). Given the preponderance of vertically-shot videos, you may not …
( read original story …)