FIRMWARE DETAILS
iOS 17.5
Build:
21F79May 13, 2024Delta OTARelease CandidateStable
View details
- Filename
1f5e6349a4604aaba989f3f22871f9da5989efb9.zip- File size
- 2.26 GB
- File type
- Delta OTA
- Download host
updates.cdn-apple.com- Link availability
- Not verified
Source reports active
- Last link check
- Not checked
- SHA-256
c8e21723c4d1d0b0c29823cbbbd4c37354604b8e01e9f822f7157e50f63e9b99- SHA-1
4d2a19f6348969c8b53f0111bc0bd6e6a6d13239- Required starting builds
21A326, 21A329, 21A360- Board restrictions
Not reported
OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.
Compatible hardware (1)
iPhone 13 Pro
UnknowniPhone14,2Signing 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