---
title: NSURLErrorNetworkUnavailableReasonUltraConstrained
framework: foundation
role: symbol
role_heading: Enumeration Case
path: foundation/nsurlerrornetworkunavailablereason/nsurlerrornetworkunavailablereasonultraconstrained
---

# NSURLErrorNetworkUnavailableReasonUltraConstrained

The network is unavailable because the ultra-constrained interface is not available.

## Declaration

```occ
NSURLErrorNetworkUnavailableReasonUltraConstrained
```