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FIRMWARE DETAILS

iPadOS 17.1.1

Build: 21B91Nov 8, 2023Restore IPSW
Stable

View details

Filename
iPad_Spring_2022_17.1.1_21B91_Restore.ipsw
File size
7.53 GB
File type
Restore IPSW
Download host
updates.cdn-apple.com
Link availability
Not verified

Source did not report availability

Last link check
Not checked
SHA-256
ee4ccca55ba5582d281f0dc92560b8ebe5afb80244fbd86927566fe8c1793bf8
SHA-1
406eaa4d619874ae8956905d1780df09252071c7
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (2)

iPad Air (5th generation) Wi-Fi iPad13,16IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown
iPad Air (5th generation) Wi-Fi + Cellular iPad13,17IPSW.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/iPad13%2C17?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: 7075a9f95a60f8b05b6298530126249d

IPSW.mehttps://api.ipsw.me/v4/device/iPad13%2C16?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: 92e9988235437e86172bea9be7d96219