FIRMWARE DETAILS
iOS 17.5
Build:
21F79May 13, 2024Full OTARelease CandidateStable
View details
- Filename
37e0d030d791f1f5d534f29266cc0dc3a9290046.zip- File size
- 6.08 GB
- File type
- Full OTA
- Download host
updates.cdn-apple.com- Link availability
- Not verified
Source reports active
- Last link check
- Not checked
- SHA-256
196592ff6ffb410c6281dc5a9ce7c0860b84951d58d745151445be9dd3952772- SHA-1
3ed5496c3b85787d14941087423ec7ff50a78c18- Required starting builds
Not reported- 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 (3)
iPhone XS
UnknowniPhone11,2iPhone XS Max
UnknowniPhone11,6iPhone XS Max (China mainland)
UnknowniPhone11,4Signing 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