https://www.reuters.com/article/us-trump-iphone/in-tweet-president-trump-laments-loss-of-iphone-home-button-idUSKBN1X42J0

When Apple Inc removed the home button on some iPhone models starting in 2017, the change upset some of its customers because it forced them to swipe upward, rather than tap a button, to unlock the device or return to its home screen.