FIRMWARE DETAILS

iOS 17.1.1

Build: 21B91Nov 8, 2023Restore IPSW

Stable

View details

Filename: iPhone14,3_17.1.1_21B91_Restore.ipsw
File size: 7.89 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: 79dd1d6de4111ee9ce6b1b2801a37380a54e4984399631380bcfd229f99184a1
SHA-1: 3ca21eddd8b40d8e20a7f1bd860ef70301ace660
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 13 Pro Max iPhone14,3IPSW.me public API retrieval · Oct 23, 2026, 3:42 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%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: ddc8d346f4eef8a60eb699297e9bd5a2