Samsung explains how it made the Galaxy Z Fold 7 so thin
C. Scott Brown / Android Authority TL;DR Samsung has shared more insights into how it made the Galaxy Z Fold 7 its thinnest book-style foldable to date. Redesigning the hinge, display, and camera system allowed for the phone’s ultra-slim profile. The Galaxy Z Fold 7 is Samsung’s thinnest book-style foldable to date, measuring 8.9mm thick when folded and 4.2mm when unfolded. The device has ushered in an era where Samsung’s foldables compete more directly with foldables from competitors like HO