FIRMWARE DETAILS
iOS 17.7
Build:
21H16Sep 16, 2024Full OTARelease CandidateStable
View details
- Filename
4dec02628a5b0ca49bd6bd4540be6483471c21b9.zip- File size
- 6.50 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
f2ce4995b7f13e7686ef7c953db96664a6765680efbdfb34724fee465545e832- SHA-1
d0bf47a51db925d203ba361cc60b1242ee351d24- 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 (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