We want to know how many times you can fold an iPhone Duo before it breaks. After waiting over three hours at the Apple store on Friday, we bought one of the coveted iPhone Duo foldable phones in Louisville, Kentucky, and brought it back to CNET’s lab, a bespoke facility where I oversee hardware and software testing as the director of lab operations.

The goal is simple. As of Friday afternoon, my team and I have loaded the iPhone Duo into a proprietary machine we built to test foldable phones like Apple’s and Samsung’s rival Galaxy Z Fold 8 , which we’ve already started testing. I’ve overseen the methodology and build of this testing rig for months in anticipation of Apple’s long-rumored foldable iPhone.…