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# SystemLanguageModel.Availability.UnavailableReason

The unavailable reason.

```
enum UnavailableReason
```

## Topics

### Getting the unavailable reasons

[`SystemLanguageModel.Availability.UnavailableReason.appleIntelligenceNotEnabled`](/documentation/FoundationModels/SystemLanguageModel/Availability-swift.enum/UnavailableReason/appleIntelligenceNotEnabled)

Apple Intelligence is not enabled on the system.

[`SystemLanguageModel.Availability.UnavailableReason.deviceNotEligible`](/documentation/FoundationModels/SystemLanguageModel/Availability-swift.enum/UnavailableReason/deviceNotEligible)

The device does not support Apple Intelligence.

[`SystemLanguageModel.Availability.UnavailableReason.modelNotReady`](/documentation/FoundationModels/SystemLanguageModel/Availability-swift.enum/UnavailableReason/modelNotReady)

The models aren’t available on the user’s device.

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

---

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