iPhone 4 owner here. That was never an actual issue in daily use. You really had to force it at exactly the right spot to produce this problem. Also other phone

iPhone 4 owner here. That was never an actual issue in daily use. You really had to force it at exactly the right spot to produce this problem. Also other phones from that time had the same issue when they were squeezed like that. So yes I got that free bumper, but never used it anyway.