FIRMWARE DETAILS
iOS 17.5
Build:
21F79May 13, 2024Delta OTARelease CandidateStable
View details
- Filename
fa52e21b3a0b54c1553bec0fb0c4371eebda6c2f.zip- File size
- 2.35 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
acbde7edc4b4f71e3d7667832d5ae3b1ccdabe54895002c7881370d475cb426c- SHA-1
ff1b426e08f1bfec21bd3a82922cd6907db3d762- Required starting builds
21A340, 21A350, 21A351- 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 15 Pro
UnknowniPhone16,1Signing 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