Download iPadOS 15.4.1 (19E258) 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 15.4.1
Release Date 2022-03-31
Update Date 2022-03-28
Sha1sum
f39b69cf250690c6e8f6373eb976ebbda7f70150
Sha256sum
f21ecbaf1369d766c78d68e93910f8d734d527a374663421c9e3234511177f8f
md5sum
cd55b6184217120f740bf3d0080ee052
Size 5.32 GB
FileName
iPad_Fall_2020_15.4.1_19E258_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

This update includes the following bug fixes for your iPad:

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222