On devices running stock Android, such as a Google Pixel phone, you'll see a large, rectangular button with rounded corners that says, "Auto-rotate," alongside an icon that resembles two L-shaped ...

If your Android's auto-rotate functionality is on, but the phone screen doesn't auto-rotate, it could indicate a minor glitch or hardware issue. In this case, your first step is to restart your phone.

Open the app up and make your way through its welcome screens. When the app prompts you to authorize it as an Android ...