FIRMWARE DETAILS

iOS 17.1.1

Build: 21B91Nov 8, 2023Restore IPSW

Stable

View details

Filename: iPhone13,1_17.1.1_21B91_Restore.ipsw
File size: 7.69 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: ee0c902bb0f09d148a1907812509f10f94c4d1868bc9ba9f0eab974173568634
SHA-1: cf32dc1bc51a44137b85d5a02da851b5bd15e9a3
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 12 mini iPhone13,1IPSW.me public API retrieval · Oct 22, 2026, 1:33 AM 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/iPhone13%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 0275d8a5eaba4e90fd5ccd4b75c8fa65

AppleDBhttps://api.appledb.dev/ios/iOS%3B21B91.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 920b0a70bb6d0ccadee92018f5db3f40