FIRMWARE DETAILS

iOS 18.1.1

Build: 22B91Nov 19, 2024Delta OTA

Stable

View details

Filename: dd12fba0d0d2084902554f5e08c505653f76ead6888ed11e28a94f7dbb1e9d11.aea
File size: 3.69 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: 31f6a6cf3ae1eae5a29b8f4408ebac7d7c6f3c40c7854e2ac77c55d147314613
SHA-1: 86b7e9b5b05ecce7cbbdc82a6c7ec49da95bf638
Required starting builds: 21C62, 21C66
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

iPhone 15 iPhone15,4

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

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