How to lock or unlock screen rotation on your iPhone or iPad If you want to flip your screen around, swipe down from the top-right of the home screen. This will open Control Center.

For these instances, locking screen rotation can be important. Unlock screen rotation afterwards to get your iPhone working normally.

If your iPhone or iPad screen doesn't rotate into landscape mode when you hold it lengthways, then you've likely got the Portrait Orientation Lock turned on. Here's how you can disable it.