Check the Control Center for the rotation lock status on iPhones with a notch at the top of the screen. If your iPhone has a ...

While the iPad's ability to stay fixed in portrait or landscape mode is useful for some scenarios, such as full-screen presentations or reading e-books, allowing the display to rotate based on how ...

That is all. I don't need a mute switch on my iPad. I don't like having to double tap and swipe and tap and double tap to lock and unlock the rotation. The hardware rotation lock switch was brilliant.