FIRMWARE DETAILS

iOS 18.1.1

Build: 22B91Nov 19, 2024Delta OTA

Stable

View details

Filename: ff19255dee3c31ffa6e1ba041cbc743561481646.zip
File size: 3.99 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: c7dec00e7c66255ea317d3990e666a2b145500b13bad5ae7fe5d95aa89adde22
SHA-1: ff19255dee3c31ffa6e1ba041cbc743561481646
Required starting builds: 21B101, 21B74, 21B91
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 12 iPhone13,2

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