The iPhone has had an on-and-off relationship with the home button over the years. WSJ’s Dalvin Brown breaks down the history of the iPhone home button and why it’s sticking around – for now.

Apple’s highly anticipated and long-awaited iPhone X is finally out. The phone doesn't have a Home button, so there are all new controls to learn if you want to do things like take screenshots ...

(1) A button on a smartphone, tablet or other electronic device that takes the user to the start screen (home screen). The button may be physical hardware or displayed on the touchscreen ("virtual ...