Download iPadOS 15.4.1 (19E258) for iPad Air 5 (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 iPad13,17
iPadOS Version 15.4.1
Release Date 2022-03-31
Update Date 2022-03-28
Sha1sum
1e99fd95f48bcaddd7545c72fafb475003a98a96
Sha256sum
4eb7fff689dc2d24b24d2ce97efa312b9213d1de289c56fa4044cafb1303aef5
md5sum
8558dcdf9b2b487757ef0c96fc30cc94
Size 5.43 GB
FileName
iPad_Spring_2021_15.4.1_19E258_Restore.ipsw
Status

Download IPSW (5.43GB) 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