FIRMWARE DETAILS

iOS 17.6.1

Build: 21G93Aug 7, 2024Delta OTA

Stable

View details

Filename: f4b37ba07d8f88db120b66e1bb1dd71331a0d389.zip
File size: 2.20 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: 0380cdc22c7fc4565d5d61ff020669f8f6cdefe65ab7241c12d27c11e3c6bc1b
SHA-1: 9b3cd1ddfc2d5c7c1baefdcd9c56ef9e6faa996b
Required starting builds: 21A326, 21A329, 21A360
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 iPhone14,5

Unknown

Signing 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%3B21G93.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 8a28e6d5071ff14eae9c5468f13f3b57