What's missing from the article is a list of iPhones that had the feature: These devices support 3D Touch: iPhone 6s, iPhone 6s Plus, iPhone 7, iPhone 7 Plus,

What's missing from the article is a list of iPhones that had the feature: These devices support 3D Touch: iPhone 6s, iPhone 6s Plus, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XS, and iPhone XS Max. -- https://support.apple.com/en-us/HT205056 https://support.apple.com/en-us/HT205056