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FIRMWARE DETAILS

iPadOS 17.5.1

Build: 21F90May 20, 2024Restore IPSW
Stable

View details

Filename
iPad_Spring_2022_17.5.1_21F90_Restore.ipsw
File size
7.64 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
b976ee550803cd95ade6a649642db6ced4d1edb4d13b76ecf78a65d39830e0ad
SHA-1
58a7830a0e4aba3d7f75f4e2f7ec49209e654dce
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%2C16?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:19 PM UTC
Record fingerprint: b2aed2134249ff669fe95e1d2cb7aa4d

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: 50ef810d883ea73dcd928b59b1652552