FIRMWARE DETAILS

iOS 17.1.1

Build: 21B91Nov 8, 2023Full OTA

Stable

View details

Filename: a3e4e3f2b6540a649f05ab0ec18f5168937f236f.zip
File size: 6.21 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: 42e0c92222d03eeaf2796b8f735c968fb64959adabe779ba0fdabc1de089e52d
SHA-1: 160af86dec79e0fa00dfa6ca66cadd0f69a81fe9
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 14 iPhone14,7

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%3B21B91.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 920b0a70bb6d0ccadee92018f5db3f40