Did you know you could turn your iPhone’s camera flash into a blinking alert light, or that you can shake your iPhone to “undo” a typo? No? You’re not the only one.

Read on for seven clever iPhone features that you might not have known about, from how to take a screenshot to an easy way to baby-proof an iPhone app.

1. Turn the camera flash into a blinking alert light

Want to see rather than just hear that your iPhone is ringing? You can, with a little help from the iPhone’s camera flash. (click)