Most supported iPhone apps rotate between portrait and landscape when you turn the phone, provided Portrait Orientation Lock is off and the app supports the orientation you want.
Turn Off Portrait Orientation Lock
- Open Control Center.
- Find the Portrait Orientation Lock button.
- Tap it if the lock is enabled.
- Close Control Center.
- Turn the iPhone sideways.
If the Screen Still Will Not Rotate
Try an app known to support landscape orientation. Some apps and some screens are designed to remain in portrait even when rotation lock is disabled.
Check Whether Rotation Lock Is Actually Off
The orientation-lock icon indicates the current state in Control Center. Toggle it once if you are uncertain, then test again.
Restart if Rotation Stops Working Everywhere
If several apps that normally rotate suddenly stop responding, restart the iPhone. A temporary software issue can occasionally affect orientation behavior.
Home Screen Rotation Is Model-Dependent
Do not use Home Screen behavior as the only test. The Home Screen and individual apps do not all support the same orientations across every iPhone model.
Rotation Problems Can Be App-Specific
If one app refuses to rotate but Safari or Photos rotates normally, the iPhone’s motion sensors are probably not the issue. The app may intentionally lock its layout or have a temporary bug. Update the app and check its own settings before resetting iPhone-wide settings.
Cases Rarely Cause Rotation Problems
A normal case does not control screen orientation. If rotation fails, focus on software settings and app behavior unless the case is physically interfering with buttons or the device itself is damaged.