This is a story of why you should immediately throw the Samsung Galaxy Z Flip (or most new phone, for that matter) into a case as soon as you receive it. Take it from my experience - all it takes is one grain of dirt to be in the wrong place at the wrong time to cause a huge inconvenience. My issue was with the Galaxy Z Flip, and no - it wasn't even the folding display. I was in the process of reviewing the Samsung Galaxy Z Flip that I purchased as Samsung was not giving review units of the Z Flip. I headed to the restroom and set the Z Flip down on the sink top. My (expensive) mistake...
Source: https://www.gsmarena.com/my_adventure_getting_the_galaxy_z_flips_cracked_camera_replaced-news-41878.php