FIRMWARE DETAILS

iOS 17.1.1

Build: 21B91Nov 8, 2023Restore IPSW

Stable

View details

Filename: iPhone14,4_17.1.1_21B91_Restore.ipsw
File size: 7.79 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: 0229dcd3439ff12b336d12ab586c1deec84455e4f02f1e2e9caf7b5358cd9ae5
SHA-1: 62a5bc5167aaf25e9c0598a4cc179c4a069cdeff
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 13 mini iPhone14,4IPSW.me public API retrieval · Oct 23, 2026, 1:32 AM UTC

Unsigned

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

IPSW.mehttps://api.ipsw.me/v4/device/iPhone14%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 2446436805ff14314af6e1e544620db5