FIRMWARE DETAILS

iOS 18.1.1

Build: 22B91Nov 19, 2024Delta OTA

Stable

View details

Filename: 3b6d3744e7153649512120b31d310f950efe7514.zip
File size: 3.60 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: 1de5f5d564a8bd6c4bd0d1e99c15c1ef9debec33bb94ce254bbede1ea3a92b75
SHA-1: 3b6d3744e7153649512120b31d310f950efe7514
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 11 iPhone12,1

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%3B22B91.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: ed4a73ba10ff91afcf5e8d89e118d792