Download iPadOS 15.4 (19E241) 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 not being Signed by Apple

Firmware Identifier iPad13,2
iPadOS Version 15.4
Release Date 2022-03-14
Update Date 2022-03-01
Sha1sum
ee753b18af82fa3a4986a44c42a1037362f9682b
Sha256sum
e0f147aec0973ddf2e716b858c061580512202348d64fbd6ada440b3fb41f698
md5sum
94a687d3469f897ae8c9a8ca73b3d8af
Size 5.32 GB
FileName
iPad_Fall_2020_15.4_19E241_Restore.ipsw
Status

Download IPSW (5.32GB) Check device info
Release Notes

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

Universal Control

Emoji

FaceTime

Siri

This release also includes the following enhancements for your iPad:

This release also includes bug fixes for your iPad:

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