Download iPadOS 17.5.1 (21F90) for iPad Air 4 (Cellular)

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

✅ This IPSW firmware is Signed

Firmware Identifier iPad13,2
iPadOS Version 17.5.1
Release Date 2024-05-20
Update Date 2024-05-17
Sha1sum
9150827c5163d851daa2f865cc14de958c31bc04
Sha256sum
90d9a72cbf0d03fb83067c25a212ec8f8cc5aba26da581ab7549505863bd6661
md5sum
58f0643ef467e9554c1bb3c58599639b
Size 7.01 GB
FileName
iPad_Fall_2020_17.5.1_21F90_Restore.ipsw
Status

Download IPSW (7.01GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

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Apple Podcasts

This update also includes the following enhancements and bug fixes:

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222