FIRMWARE DETAILS

iOS 18.1.1

Build: 22B91Nov 19, 2024Restore IPSW

Stable

View details

Filename: iPhone15,4_18.1.1_22B91_Restore.ipsw
File size: 8.64 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 8d3fa08c3f16893fc4e3c1a8025dced2015f5e4fbb37da590feda2949e94fff4
SHA-1: 39724daeb1ca02c06eac8841cfda744369daf96d
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 15 iPhone15,4IPSW.me public API retrieval · Oct 22, 2026, 8:53 PM UTC

Unsigned

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

Source provenance

IPSW.mehttps://api.ipsw.me/v4/device/iPhone15%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 5bf6fde2d644e2cc2426e024a83bda37

AppleDBhttps://api.appledb.dev/ios/iOS%3B22B91.json ↗

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