---
title: CBManagerState.unknown
framework: corebluetooth
role: symbol
role_heading: Case
path: corebluetooth/cbmanagerstate/unknown
---

# CBManagerState.unknown

The manager’s state is unknown.

## Declaration

```swift
case unknown
```

## Discussion

Discussion This is a temporary state. After Core Bluetooth initializes or resets, it updates the state value.

## See Also

### Manager States

- [CBManagerState.poweredOff](corebluetooth/cbmanagerstate/poweredoff.md)
- [CBManagerState.poweredOn](corebluetooth/cbmanagerstate/poweredon.md)
- [CBManagerState.resetting](corebluetooth/cbmanagerstate/resetting.md)
- [CBManagerState.unauthorized](corebluetooth/cbmanagerstate/unauthorized.md)
- [CBManagerState.unsupported](corebluetooth/cbmanagerstate/unsupported.md)