FIRMWARE DETAILS

iOS 17.1.1

Build: 21B91Nov 8, 2023Restore IPSW

Stable

View details

Filename: iPhone14,8_17.1.1_21B91_Restore.ipsw
File size: 7.84 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: f33186b1433e67750a4efa387b12bcb4af91c460cbc09e32eed3929286407b79
SHA-1: 2875ac87cb9000044b5c8d22623fd14e10aa6d21
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 14 Plus iPhone14,8IPSW.me public API retrieval · Oct 21, 2026, 2:16 PM 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%2C8?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: f2fef085af4526782ae8171eca9fc0e9