Direct signed and unsigned iOS IPSW firmware download links, restore files, release metadata, downgrade status and build information for iPhone 16 Pro running iOS 26.4.2.
Build Number: 23E261
Release Date: 2026-04-22T17:34:48Z
Download IPSW FileiOS 26.4.2 build 23E261 is a firmware package available for iPhone 16 Pro and is currently signed by Apple at the time of indexing.
Black Apple World tracks signed and unsigned firmware states, build numbers, release metadata and direct IPSW file locations across all iPhone generations.
Users commonly search for IPSW downloads to verify firmware authenticity, reference signed firmware availability, compare build transitions and maintain an archive of official Apple restore files.
Yes. Apple is currently signing this firmware build.
23E261
Yes. A direct Apple-hosted IPSW firmware link is available on this page.