In this how-to guide, I will explain the steps you have to take to rotate the screen ... and toggling the Rotation lock ...

When it the lock and arrow are white on a charcoal gray background, screen rotation is unlocked; when they're orange on white, the screen is locked. What if turning off rotation lock doesn't let ...

You can also turn the rotation lock on or off using the Settings app: Whether you have some monitors you want to use ...