Key Points YouTube channel JerryRigEverything showed the Samsung Galaxy Z Flip display is as strong as plastic, not glass as advertised. The Motorola RAZR is already breaking, with one reviewerÂ’s screen completely separating from the phoneÂ’s body. Maybe you shouldnÂ’t buy a folding phone yet. ===================================================================== SamsungÂ’s new foldable smartphone, the Galaxy Z Flip. Ryan Browne | CNBC =========================================================================== Two new phones with folding displays, the $1,380 Samsung Galaxy Z Flip and the $1,500 Motorola RAZR, launched in recent weeks, and people already have complaints about them. It seems like a repeat of what we went through nearly a year...