FIRMWARE DETAILS
iOS 17.7.1
Build:
21H216Oct 28, 2024Delta OTARelease CandidateStable
View details
- Filename
d05b8791288091e2bc4c02d93e651184d3b08ca6.zip- File size
- 599.7 MB
- File type
- Delta OTA
- Download host
updates.cdn-apple.com- Link availability
- Not verified
Source reports active
- Last link check
- Not checked
- SHA-256
656d7534651964155423a415fecf66dc6120c6cd29fb87b77af01e800bcaebd2- SHA-1
e0ac1510e1eee0d8d60a09ea12372c8757236f55- Required starting builds
21G101, 21G79, 21G80, 21G93- 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 XS Max
UnknowniPhone11,6Signing 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%3B21H216-RC.json ↗
MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: e81d7c9fd3ed4ef3917cac95ad2b8b45
AppleDBhttps://api.appledb.dev/ios/iOS%3B21H216.json ↗
MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: 8bcbb794adc258f42e682d442c6740ea