I dropped my i4 on Saturday from standing height, onto a tile floor. It smacked hard and landed screen up. I was terrified to pick it up, but sure enough, it's totally fine. My bumper has a little stain (that won't come off) where it must have hit the ground, and then landed on the bumper edge instead of directly on the glass back. Just wanted to share for people wondering if the bumper absorbs impact. It did in this situation.