Direct signed and unsigned iOS IPSW firmware download links, restore files, release metadata, downgrade status and build information for iPhone 15 running iOS 17.7.
Build Number: 21H16
Release Date: 2024-09-16T17:00:00Z
Download IPSW FileiOS 17.7 build 21H16 is a firmware package available for iPhone 15 and is currently unsigned 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.
No. Apple is no longer signing this firmware build.
21H16
Yes. A direct Apple-hosted IPSW firmware link is available on this page.