---
title: UIInterfaceOrientation.unknown
framework: uikit
role: symbol
role_heading: Case
path: uikit/uiinterfaceorientation/unknown
---

# UIInterfaceOrientation.unknown

The orientation of the device is unknown.

## Declaration

```swift
case unknown
```

## See Also

### Orientations

- [UIInterfaceOrientation.portrait](uikit/uiinterfaceorientation/portrait.md)
- [UIInterfaceOrientation.portraitUpsideDown](uikit/uiinterfaceorientation/portraitupsidedown.md)
- [UIInterfaceOrientation.landscapeLeft](uikit/uiinterfaceorientation/landscapeleft.md)
- [UIInterfaceOrientation.landscapeRight](uikit/uiinterfaceorientation/landscaperight.md)