Popular YouTube channel JerryRigEverything conducted a proprietary strength test for Samsung Galaxy Z Flip clamshell.
In particular, the flexible display of the smartphone was tested. The first scratches began to appear already at around 2 on the Mohs scale, and on the top three they became quite noticeable. That is, you can even damage the screen with your fingernail.
The mini-display on the front panel can only be scratched with something similar in hardness to a nail.
In response to this, Samsung said that a thin protective layer was placed above the glass panel, which was able to scratch