FIRMWARE DETAILS
iOS 17.7
Build:
21H16Sep 16, 2024Delta OTARelease CandidateStable
View details
- Filename
468b074bb8066ec71aceea54ba561fd5b0cdb8c3.zip- File size
- 1.87 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
91c806037564d30bc61b69dfb7a733d762ec135dcdc9b8f0c2c0c9698965429b- SHA-1
8c1b9273fc9abe324db7d09da88d6b3c6647a3c5- Required starting builds
21C62, 21C66- 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 Max
UnknowniPhone16,2Signing 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%3B21H16-RC.json ↗
MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: c8b3b02ce4311c79f2853199085cf330
AppleDBhttps://api.appledb.dev/ios/iOS%3B21H16.json ↗
MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: ae79657c71a1de572003507c6b1f785c