The article is unfortunately unclear on this, but I believe they succeeded only on the Android phones, not with the iPhone X they also tried it on. To wit: "[.

The article is unfortunately unclear on this, but I believe they succeeded only on the Android phones, not with the iPhone X they also tried it on. To wit: "[..] four Android models and an iPhone X. Bad news if you’re an Android user: all four phones unlocked with the 3D printed head."