Skip to main content

Apple Developer Docs

Foundation / NSURLErrorNetworkUnavailableReason / NSURLErrorNetworkUnavailableReasonUltraConstrained

NSURLErrorNetworkUnavailableReasonUltraConstrained

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

Declaration

NSURLErrorNetworkUnavailableReasonUltraConstrained

Open on developer.apple.com

FoundationEnumeration Case

iOS 26.1+iPadOS 26.1+Mac Catalyst 26.1+macOS 26.1+tvOS 26.1+visionOS 26.1+watchOS 26.1+

Built on 2026-06-12 · Snapshot snapshot-20260612-beta.1 (macOS 27.0) · Commit fba13e1 · by @g-cqd · based on Apple Developer Documentation