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FIRMWARE DETAILS

iOS 17.1.1

Build: 21B91Nov 8, 2023Restore IPSW
Stable

View details

Filename
iPhone13,2,iPhone13,3_17.1.1_21B91_Restore.ipsw
File size
7.86 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
86f640f34d4f6a02d35c903b44bcd85e08520532c9966cb910e14131bffa6e02
SHA-1
6853f357c457f49e614cb4695eac018eafa94e1e
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (2)

iPhone 12 iPhone13,2IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown
iPhone 12 Pro iPhone13,3IPSW.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

IPSW.mehttps://api.ipsw.me/v4/device/iPhone13%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: b7ef223bd5c57d6514f4fe71b90dd59e

IPSW.mehttps://api.ipsw.me/v4/device/iPhone13%2C2?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: fe3aef97358243fa56292c3390ddeb89

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

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