firmwarehub.
العربية
FIRMWARE DETAILS

iOS 17.1.1

Build: 21B91Nov 8, 2023Restore IPSW
Stable

View details

Filename
iPhone12,3,iPhone12,5_17.1.1_21B91_Restore.ipsw
File size
7.46 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
d70c4ff6136c01103cbc307e138cbf272755533a3e894e28dd6b0c05c9fded3c
SHA-1
abd3484ae6b5af4463cd92c891e9a8f2e7322284
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (2)

iPhone 11 Pro iPhone12,3IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown
iPhone 11 Pro Max iPhone12,5IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown

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/iPhone12%2C5?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 2e0fc84bfab0d089f23b7d3410a9222a

IPSW.mehttps://api.ipsw.me/v4/device/iPhone12%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 3885bb5a38658ee6b5785fedbd2fa9e0