FIRMWARE DETAILS
iOS 17.7
Build:
21H16Sep 16, 2024Delta OTARelease CandidateStable
View details
- Filename
12087ad717107e1e6c7a3aa8da22ad3fafabb444.zip- File size
- 3.76 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
b14d78f539209a0b0724072f44549c88707419b22a170beb3bee31ce422cb48c- SHA-1
c7b39e27b59698116a632e43bc4c7dff0add1796- Required starting builds
20G75, 20G81- 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 Max
UnknowniPhone14,3Signing 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