If you’re like most iPhone users, you probably zoom in and out of photos and videos on a regular basis. But how do you do it on an iPhone? Here’s how:

  1. Open the photo or video you want to zoom in on.
  2. Press and hold the “zoom” button on the bottom left corner of the screen.
  3. While holding down the “zoom” button, use your finger to drag the screen left or right to change the magnification level. ..