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FIRMWARE DETAILS

iOS 17.5

Build: 21F79May 13, 2024Restore IPSW
Release CandidateStable

View details

Filename
iPhone15,3_17.5_21F79_Restore.ipsw
File size
8.09 GB
File type
Restore IPSW
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
08c040abf705b4f3be21da6dc738785173c7cb455484cdde3d7621f3583f8373
SHA-1
5ee7786113db367399e8e828741e193847181032
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (1)

iPhone 14 Pro Max iPhone15,3IPSW.me public API retrieval · Oct 23, 2026, 7:20 AM UTC
Unsigned

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

AppleDBhttps://api.appledb.dev/ios/iOS%3B21F79.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: fad1f444ed45a9b0b4e75442c2a737cc

AppleDBhttps://api.appledb.dev/ios/iOS%3B21F79-RC.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 2cce62a34025b5a2ae1d1605ae45809f

IPSW.mehttps://api.ipsw.me/v4/device/iPhone15%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 26f00229d51a6024d1f6f15ef157e00e